Different Android Versions Latest Distribution

If you are curious to what is the percentage of Android mobile phones and tablets are running the latest version of Android?

Android Version	Internal Codename	Usage as on July 1, 2012	Usage as on August 1, 2012
1.5	Cupcake	0.2%	0.2%
1.6	Donut	0.5%	0.5%
2.1	Eclair	4.7%	4.2%
2.2	Froyo	17.3%	15.5%
2.3.x	Gingerbread	63.6%	60.3% (-2.7%)
3.1	Honeycomb	0.5%	0.5%
3.2		1.9%	1.8%
4.0.x	Ice Cream Sandwich	10.7%	15.8% (+5.1%)
4.1	Jelly Bean	N/A	0.8

 Now the Google has just updated the distribution charts for  Android platform and  suggests that 15.8% of Android phones and tablets have Ice Cream Sandwich installed. Gingerbread, the most popular Android version ever, still powers 60.3% Android devices though it was released way back in December 2010.
This data is based on the number of Android devices that have accessed Google Play within a 14-day period so it may not account for the Android users who do not have Internet on their phones (and this may not be a small set).