Hmm......based on those stats, PPL written tests look steady since 2004.

2004:29K
2005:28K
2006:27K
2007:29K
2008:28K

Commercial writtens are actually going up.whoa ???

As far as CFI writtens....seems like since 2004 until 2008, tests are all in the 4000s. Guess doesn't say much.