I already gave you the source which was the US census data...Not some guy at some college that put at 25k but actual US census data that clearly puts it at 32 https://web.archive.org/web/20061218182251/http://pubdb3.census.gov/macro/032006/perinc/new01_001.htm
http://www.youtube.com/v/AoOOpLpcF28 http://www.youtube.com/v/CphFZGH5030
All Hail the Jester King. The King is back, and I am still a dirty girl prof ;)







