Why this didn't dropped more?

[proof below]

Sellers/solds at 3.33

http://www.tf2outpost.com/trade/16057122 - 2.33 (sold)

http://www.tf2outpost.com/trade/16039415 - 3

http://www.tf2outpost.com/trade/15322590 - 3

http://bazaar.tf/trade/558842 - 3

http://tf2tp.com/trade.php?trade=9916324 - 3

http://www.tf2outpost.com/trade/15810828 - 3 - sold

http://www.trade.tf/trade/509210885 - 3

http://www.trade.tf/trade/509199393 - 3

http://www.tf2outpost.com/trade/16039415 - 3 x2

http://www.tf2outpost.com/trade/16000096 - 3.33

http://www.tf2outpost.com/trade/15990207 - 3.33

http://www.tf2outpost.com/trade/16000096 - 3.33 - 3 days

http://www.tf2outpost.com/trade/16073976 - 3.33

http://www.tf2outpost.com/trade/15990207 - 3.33 - 3 days

http://www.tf2outpost.com/trade/15853814 - 3.33 - 1 week

Unsolds at 3.66

http://www.tf2outpost.com/trade/16036929 - 1 day

http://www.tf2outpost.com/trade/16036463 - 1 day

http://www.tf2outpost.com/trade/16051883 - 1 day

http://www.tf2outpost.com/trade/16040504 - 1 day

http://www.tf2outpost.com/trade/16007994 - 2 days

http://www.tf2outpost.com/trade/16013477 - 2 days

http://www.tf2outpost.com/trade/16026801 - 2 days

http://www.tf2outpost.com/trade/16026074 - 2 days

http://www.tf2outpost.com/trade/16016441 - 2 day

http://www.tf2outpost.com/trade/15991904 - 3 days (3.55)

http://www.tf2outpost.com/trade/15975159 - 4 days

http://www.tf2outpost.com/trade/15973733 - 4 days

http://www.tf2outpost.com/trade/15933083 - 6 days

http://www.tf2outpost.com/trade/15906043 - 1 week

http://www.tf2outpost.com/trade/15773559 - 1 week

http://www.tf2outpost.com/trade/15639164 - 2 weeks

http://www.tf2outpost.com/trade/15658341 - 2 weeks

http://www.tf2outpost.com/trade/15088132 - 1 month

I mean seriously, 3.66 is nearly impossible to sell, 3.33 is average and there are also alot of sellers at 3. Enough to include 3 in the range.

Classifieds.

http://backpack.tf/classifieds/search/id/5207ec87ba2536c652000002

3x 3

1x 3.33

And a bunch of unsolds at 3.66

Feel free to add more proof, inform me about double/invalid links and give feedback.