Seed Changes
Year	Most Seeds Lost	Most Seeds Gained	Avg. Abs. Change	Avg. Abs. Change (Non-zero)	Number of Changed Teams
2002	3	2	0.438	1.500	10
2003	3	2	0.750	1.294	17
2004	3	3	0.813	1.529	17
2005	3	3	0.875	1.474	19
2006	1	1	0.438	1.067	14
2007	2	2	0.813	1.375	19
2008	5	3	0.875	2.000	15
2009	3	3	0.688	1.429	14
2010	5	3	1.438	1.840	24
2011	4	3	0.875	1.857	15
2012	2	3	0.625	1.385	12
2013	3	3	0.938	1.429	21
2014	4	2	0.625	1.538	13
2015	4	2	0.938	1.556	19
2016	5	2	0.688	1.538	14
2017	3	2	0.563	1.385	13
2018	2	4	0.563	1.333	14
2019	3	3	0.563	1.286	14
Avg.	3.222	2.556	0.750	1.490	15.778