Google occasionally reports data regarding Android. Very occasionally. The last time we had some data was in September 2012 when we learned that activations were running at 1.3 million per day and that a total of 500 million total activations had taken place.
As of today, being March 2013, the time between updates has reached five months. It’s the longest gap so far. Benedict Evans also notes that it’s been five months since the data regarding screen size stats has been updated on the Android developer site.
But we have to live with what we get and, in the absence of an update, the pattern of growth in Android, if sustained, looks like this: