Minimum number of digits after decimal
Since v 1.3.3 of all charts you can control minimum number of digits after decimal. This is especially useful if you display prices and want at least two digits to be displayed after decimal. New setting is added for all charts:
<digits_after_decimal>2</digits_after_decimal>
Axis values will be affected by this setting only if they have at least one non integer value, otherwise integers without decimals will be displayed.