Here's the list of teams qualified off of the wait-list, with the last time they qualified for champs.
There may be some errors, as it was difficult to determine wildcard scenarios in some instances. The current number is ~70.
Code:
* = Never attended Championship (Year listed is rookie year)
41 2012
78 2014
102 2010
135 2014
157 2004
166 2011
203 2011
223 2010
238 2011
269 2012
339 2009
358 2013
369 2012
587 2012
691 2001
829 2013
894 2009
931 2011
1255 2004*
1339 2004*
1391 2012
1510 2011
1533 2008
1622 2013
2068 2007
2075 2009
2183 2007*
2228 2007
2339 2012
2531 2008*
2658 2008*
2767 2009
2875 2009*
2883 2009*
2950 2009*
2992 2010
3026 2009*
3042 2014
3175 2010*
3184 2010*
3288 2012
3350 2010
3352 2010
3357 2012
3566 2012
3604 2011*
3648 2011*
3653 2011*
3735 2011*
4028 2012
4207 2012*
4355 2014
4364 2012*
4381 2012*
4471 2013
4571 2013*
4584 2013*
4587 2013*
4707 2013
4841 2013*
4842 2013*
4951 2014*
4964 2014*
5162 2014*
5209 2014*
5349 2014*