Year	%
1996	64.04131
1997	68.10294
1999	69.07731
2000	46.30906
2001	40.50855
2002	39.79635
2003	53.72654
2004	54.08436
2005	47.31041
2006	44.92
2007	44.25336
2008	44.25336
2009	43.33333
2010	45.03717
2011	47.77247
2012	48.49867
2013	49.28962
2014	49.28962
2015	37.67146
2016	37.17655
2017	58.5774
2018	59.35115
2019	48.8778
2020	48.8778
2021	46.35762