diff --git a/Socialmetrica.package/NitterUser.class/instance/exportQuotesHistogram.st b/Socialmetrica.package/NitterUser.class/instance/exportQuotesHistogram.st
index bf818c3..e7b0754 100644
--- a/Socialmetrica.package/NitterUser.class/instance/exportQuotesHistogram.st
+++ b/Socialmetrica.package/NitterUser.class/instance/exportQuotesHistogram.st
@@ -1,14 +1,15 @@
 accessing
 exportQuotesHistogram
 
-	| quotesOccurrences labels diagram x quotesHistogram |
+	| quotesOccurrences labels diagram quotesHistogram |
 	
 	quotesOccurrences := self quotesSortedByOccurrences.
-	x := 1 to: quotesOccurrences size.
 	labels := quotesOccurrences keys.
 	quotesHistogram := RSChart new.
 	quotesHistogram extent: 800@200.
-	diagram := RSBarPlot new x: x y: quotesOccurrences values.
+	diagram := RSBarPlot new 
+		x: (1 to: quotesOccurrences size)
+		y: quotesOccurrences values.
 	diagram color: (Color r:(89/255) g:(217/255) b:(95/255)).
 	quotesHistogram addPlot: diagram.
 	quotesHistogram addDecoration: (RSHorizontalTick new
diff --git a/Socialmetrica.package/NitterUser.class/instance/exportQuotesHistogramWithBars..st b/Socialmetrica.package/NitterUser.class/instance/exportQuotesHistogramWithBars..st
index 81495ae..e852c45 100644
--- a/Socialmetrica.package/NitterUser.class/instance/exportQuotesHistogramWithBars..st
+++ b/Socialmetrica.package/NitterUser.class/instance/exportQuotesHistogramWithBars..st
@@ -1,7 +1,7 @@
 accessing
 exportQuotesHistogramWithBars: aNumberOfBars
 
-	| keysToRemove quotes x labels quotesHistogram diagram |
+	| keysToRemove quotes labels quotesHistogram diagram |
 	quotes := self quotesSortedByOccurrences.
 	(aNumberOfBars > quotes size) ifTrue: [ ^ self exportQuotesHistogram ].
 	keysToRemove := OrderedCollection new.
@@ -9,11 +9,12 @@ exportQuotesHistogramWithBars: aNumberOfBars
 		[ :i | keysToRemove add: (quotes keys at: i + aNumberOfBars) ].
 	quotes removeKeys: keysToRemove.
 
-	x := 1 to: quotes size.
 	labels := quotes keys.
 	quotesHistogram := RSChart new.
 	quotesHistogram extent: 800@200.
-	diagram := RSBarPlot new x: x y: quotes values.
+	diagram := RSBarPlot new 
+		x: (1 to: quotes size)
+		y: quotes values.
 	diagram color: (Color r:(89/255) g:(217/255) b:(95/255)).
 	quotesHistogram addPlot: diagram.
 	quotesHistogram addDecoration: (RSHorizontalTick new
diff --git a/Socialmetrica.package/NitterUser.class/instance/exportRepliesHistogramWithBars..st b/Socialmetrica.package/NitterUser.class/instance/exportRepliesHistogramWithBars..st
index 2081a93..06c1d5c 100644
--- a/Socialmetrica.package/NitterUser.class/instance/exportRepliesHistogramWithBars..st
+++ b/Socialmetrica.package/NitterUser.class/instance/exportRepliesHistogramWithBars..st
@@ -1,16 +1,16 @@
 accessing
 exportRepliesHistogramWithBars: aNumberOfBars
 
-	| tweetsByTimeSpan subtotals repliesColor x tweetsHistogram diagram |
+	| tweetsByTimeSpan subtotals tweetsHistogram diagram |
 
 	tweetsByTimeSpan := self collectMessages: [ self replies ] byTimeSpanSplits: aNumberOfBars.
 	subtotals := tweetsByTimeSpan values collect: [ :collection | collection size ].
-	repliesColor := (Color r:(246/255) g:(185/255) b:(46/255)).
-	x := 1 to: subtotals size.
 	tweetsHistogram := RSChart new.
 	tweetsHistogram extent: 800@200.
-	diagram := RSBarPlot new x: x y:subtotals.
-	diagram color: repliesColor.
+	diagram := RSBarPlot new 
+		x: (1 to: subtotals size)
+		y:subtotals.
+	diagram color: (Color r:(246/255) g:(185/255) b:(46/255)).
 	tweetsHistogram addPlot: diagram.
 	tweetsHistogram addDecoration: (RSHorizontalTick new
     	fromNames: tweetsByTimeSpan keys;
diff --git a/Socialmetrica.package/NitterUser.class/instance/exportRetweetsHistogram.st b/Socialmetrica.package/NitterUser.class/instance/exportRetweetsHistogram.st
index c53b94a..440de3a 100644
--- a/Socialmetrica.package/NitterUser.class/instance/exportRetweetsHistogram.st
+++ b/Socialmetrica.package/NitterUser.class/instance/exportRetweetsHistogram.st
@@ -1,15 +1,16 @@
 accessing
 exportRetweetsHistogram
 
-	| retweetsOccurrences labels retweetColor diagram x retweetsHistogram |
+	| retweetsOccurrences labels retweetColor diagram retweetsHistogram |
 	
 	retweetsOccurrences := self retweetsSortedByOccurrences.
 	retweetColor := (Color r:(217/255) g:(56/255) b: (124/255)).
-	x := 1 to: retweetsOccurrences size.
 	labels := retweetsOccurrences keys.
 	retweetsHistogram := RSChart new.
 	retweetsHistogram extent: 800@200.
-	diagram := RSBarPlot new x: x y: retweetsOccurrences values.
+	diagram := RSBarPlot new 
+		x: (1 to: retweetsOccurrences size) 
+		y: retweetsOccurrences values.
 	diagram color: retweetColor.
 	retweetsHistogram addPlot: diagram.
 	retweetsHistogram addDecoration: (RSHorizontalTick new
diff --git a/Socialmetrica.package/NitterUser.class/instance/exportRetweetsHistogramWithBars..st b/Socialmetrica.package/NitterUser.class/instance/exportRetweetsHistogramWithBars..st
index b63a634..a522892 100644
--- a/Socialmetrica.package/NitterUser.class/instance/exportRetweetsHistogramWithBars..st
+++ b/Socialmetrica.package/NitterUser.class/instance/exportRetweetsHistogramWithBars..st
@@ -1,7 +1,7 @@
 accessing
 exportRetweetsHistogramWithBars: aNumberOfBars
 
-	| keysToRemove retweets x labels retweetsHistogram diagram |
+	| keysToRemove retweets labels retweetsHistogram diagram |
 	retweets := self retweetsSortedByOccurrences.
 	(aNumberOfBars > retweets size) ifTrue: [ ^ self exportRetweetsHistogram ].
 	keysToRemove := OrderedCollection new.
@@ -9,11 +9,12 @@ exportRetweetsHistogramWithBars: aNumberOfBars
 		[ :i | keysToRemove add: (retweets keys at: i + aNumberOfBars) ].
 	retweets removeKeys: keysToRemove.
 
-	x := 1 to: retweets size.
 	labels := retweets keys.
 	retweetsHistogram := RSChart new.
 	retweetsHistogram extent: 800@200.
-	diagram := RSBarPlot new x: x y: retweets values.
+	diagram := RSBarPlot new 
+		x: (1 to: retweets size)
+		y: retweets values.
 	diagram color: (Color r:(217/255) g:(56/255) b: (124/255)).
 	retweetsHistogram addPlot: diagram.
 	retweetsHistogram addDecoration: (RSHorizontalTick new
diff --git a/Socialmetrica.package/NitterUser.class/instance/exportTweetsHistogramWithBars..st b/Socialmetrica.package/NitterUser.class/instance/exportTweetsHistogramWithBars..st
index 09387d8..595b502 100644
--- a/Socialmetrica.package/NitterUser.class/instance/exportTweetsHistogramWithBars..st
+++ b/Socialmetrica.package/NitterUser.class/instance/exportTweetsHistogramWithBars..st
@@ -1,16 +1,16 @@
 accessing
 exportTweetsHistogramWithBars: aNumberOfBars
 
-	| tweetsByTimeSpan subtotals tweetsColor x tweetsHistogram diagram |
+	| tweetsByTimeSpan subtotals tweetsHistogram diagram |
 
 	tweetsByTimeSpan := self collectMessages: [ self tweets] byTimeSpanSplits: aNumberOfBars.
 	subtotals := tweetsByTimeSpan values collect: [ :collection | collection size ].
-	tweetsColor := (Color r:(91/255) g:(131/255) b:(222/255)).
-	x := 1 to: subtotals size.
 	tweetsHistogram := RSChart new.
 	tweetsHistogram extent: 800@200.
-	diagram := RSBarPlot new x: x y:subtotals.
-	diagram color: tweetsColor.
+	diagram := RSBarPlot new
+		x: (1 to: subtotals size)
+		y:subtotals.
+	diagram color: (Color r:(91/255) g:(131/255) b:(222/255)).
 	tweetsHistogram addPlot: diagram.
 	tweetsHistogram addDecoration: (RSHorizontalTick new
     	fromNames: tweetsByTimeSpan keys;