Originally Posted by Blogndog

No, the RAW data does not, but it's pretty to easy to use regression analysis to determine what portion of the decrease is attributable to economic or other factors, and what portion of the variance is correlated with the level of TSA harassment. Of course there would always be some random element making it impossible to say definitively precisely what portion of the decrease arises specifically from the TSA, but there is certainly enough data available to enable one to definitively conclude what the minimum level of air travel avoidance arising from the TSA is.