Resuggesting with more recent evidence. 0.22 goes very fast but there seems to be more sales at 0.22 than at 0.33.

Sold:

http://www.tf2outpost.com/trade/20580467 0.22 > http://www.trade.tf/trade/520483990

http://www.tf2outpost.com/trade/20597265 0.22 (without a bump)

http://www.tf2outpost.com/trade/20612761 0.22

http://www.tf2outpost.com/trade/20613867 0.22 (without a bump) (x2)

http://www.tf2outpost.com/trade/20616796 0.22 (without a bump)

http://www.tf2outpost.com/trade/20618504 0.22 (without a bump)

http://www.tf2outpost.com/trade/20625604 0.22

http://www.tf2outpost.com/trade/20635921 0.22 (without a bump)

http://www.tf2outpost.com/trade/20640270 0.22 (without a bump)

http://www.tf2outpost.com/trade/20580182 0.22/0.33 (x3) (raised the price at some point)

http://www.tf2outpost.com/trade/20566363 0.33 (without a bump)

http://www.tf2outpost.com/trade/20598928 0.33

http://www.tf2outpost.com/trade/20613801 0.33

http://www.tf2outpost.com/trade/20625038 0.33

http://www.tf2outpost.com/trade/20634341 0.33 (without a bump)

Buyers:

http://www.tf2outpost.com/trade/20433501 0.11

http://www.tf2outpost.com/trade/20449572 0.11

http://www.tf2outpost.com/trade/20451639 0.11

http://www.tf2outpost.com/trade/20451998 0.11

http://www.tf2outpost.com/trade/20454595 0.11

http://www.tf2outpost.com/trade/20466304 0.11

http://www.tf2outpost.com/trade/20490403 0.11

http://www.tf2outpost.com/trade/20495152 0.11

http://www.tf2outpost.com/trade/20495900 0.11

http://www.tf2outpost.com/trade/20508112 0.11

http://www.tf2outpost.com/trade/20558520 0.11

http://www.tf2outpost.com/trade/20571252 0.11

http://www.tf2outpost.com/trade/20579298 0.11

http://www.tf2outpost.com/trade/20583326 0.11

http://www.tf2outpost.com/trade/20596844 0.11

http://www.tf2outpost.com/trade/20602455 0.11

http://www.tf2outpost.com/trade/20608388 0.11

http://www.tf2outpost.com/trade/20610370 0.11

http://www.tf2outpost.com/trade/20612217 0.11

http://www.tf2outpost.com/trade/20615406 0.11

http://www.tf2outpost.com/trade/20616993 0.11

http://www.tf2outpost.com/trade/20619995 0.11

http://www.tf2outpost.com/trade/20623806 0.11

http://www.tf2outpost.com/trade/20628934 0.11

http://www.tf2outpost.com/trade/20636094 0.11

http://www.tf2outpost.com/trade/20637144 0.11

http://www.tf2outpost.com/trade/20638166 0.11

http://www.tf2outpost.com/trade/20638319 0.11

http://www.tf2outpost.com/trade/20639359 0.11

http://www.tf2outpost.com/trade/20554947 "1-3 Scrap Each"

http://www.tf2outpost.com/trade/20641605 0.15

http://www.tf2outpost.com/trade/20455469 0.16

http://www.tf2outpost.com/trade/20610974 0.16 (closed)

http://www.tf2outpost.com/trade/20571408 ~0.22 (not bumped)

http://www.tf2outpost.com/trade/20612405 0.22 (closed)

http://www.tf2outpost.com/trade/20628070 0.22 (closed)

http://www.tf2outpost.com/trade/20578077 0.33 (closed)

http://www.tf2outpost.com/trade/20591011 ~0.33 (closed)

http://www.tf2outpost.com/trade/20599155 0.33 (closed)

http://www.tf2outpost.com/trade/20603310 ~0.66 (closed)

http://www.tf2outpost.com/trade/20637436 1.00 (must be a typo)