Could it be because you are using the viewWindow to set the max/min instead of using the vAxis 'minValue' and 'maxValue' attributes? Also try setting your viewWindow style to 'pretty'
vAxis: { viewWindowMode: 'pretty', baseline: 0, minValue: 0, maxValue: 100, minorGridlines: { count: 1 }, gridlines: { count: -1 } }, Something like the above. My guess is the viewWindow.... -- You received this message because you are subscribed to the Google Groups "Google Visualization API" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-visualization-api+unsubscr...@googlegroups.com. To post to this group, send email to google-visualization-api@googlegroups.com. Visit this group at https://groups.google.com/group/google-visualization-api. To view this discussion on the web visit https://groups.google.com/d/msgid/google-visualization-api/b4729146-ceaa-4473-9177-07b79be12ade%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.