Here are the recent USPTO filing statistics through the first half of 2014:
New trademark application filings at the USPTO:
First half of 2014: 165,934 new applications filed (approximately a 4% increase over the same time period last year)
First half of 2013: 159,812 new applications filed
First half of 2012: 163,219 new applications filed
First half of 2011: 157,235 new applications filed
Last half of 2013: 160, 246 new applications filed
April – June of 2014: 83,963 new applications filed
April – June of 2013: 81,009 new applications filed
April – June of 2012: 82,370 new applications filed
April – June of 2011: 80,310 new applications filed
[Note: All data retrieved via TESS search on USPTO.gov on July 8, 2014]