Lies, damn lies, and statistics

From the FY 2014 USPTO Annual Report (link here):  

Average patent pendency is down (to almost 2 1/2 years), but average time to first OA is flat (at about 1 1/2 years).

The backlog of unexamined applications stands at over 605,000, which is down almost 20% (!) from 2009.

Maintenance fees account for over 45% of FY 2014 patent revenue.

Total patent fee collections in FY 2014: $2.9B.