Year	%
1996	41.69
1997	15.28
1998	28.61
1999	16.27
2000	7.32
2001	7.01
2002	20.03
2003	20.36
2007	11.88
2010	17.53
2011	15.58
2012	13.71
2015	13.19
2016	10.23
2021	9