http://marketshare.hitslink.com/browser-market-share.aspx?qp...
This makes it pretty unlikely that your stat about data usage is right either.
http://www.netmarketshare.com/browser-market-share.aspx?qpri...
iOS originates 61% of mobile data traffic vs. 19% for Android.
Most of my circle of close friends are not geeks and Android frustrates them, it confuses them....and none of them, not a single one have even asked me about an Android based tablet other than the Fire and that doesn't even really count. Most of these friends are the ones that Samsung and other higher end Android devices would love to have as customers...highly educated with high disposable income. And they don't even consider their devices.
Variety is over valued in the geek community and just doesn't drive real profits in most cases and I believe this is one of them. Each of those unique phones has a lower profit ratio and drives a race to the bottom in quality because of it. None of them will drive enough sales to have a decent profit margin due to additional engineering, marketing, and support costs due to the different models.
Now, to be sure, Android isn't going away and eventually someone will find a way to make a dent in the iPad's market share but I just think the tablet market is very very different from the smart phone market. Everyone pretty much has a mobile phone and when you can get a smartphone for free you take it...but the tablet market is more discretionary and there and I just don't see people going away from iPad. If anything, the iPad could be what helps continue to drive iPhone sales since you can share your apps across devices.
Still, I think the big advantage of Android is the variety. There's pretty much an Android device for whatever it is you require, whether that's a phone with a built-in projector, a phone with a 41MP camera, a top-of-the-range quadcore smartphone or a cheap-as-chips-barely-a-smartphone smartphone.