Year	%
1996	41.33407
1999	33.71976
2000	32.40734
2001	32.97189
2002	34.97189
2003	35.5424
2004	36.15747
2006	33.19744
2007	34.41848
2010	41.32027
2011	41.18247
2012	34.01937
2013	33.36211
2015	35.411
2016	38.54499
2020	35.38285
2021	34.98716