Year	%
1994	88.30964
1999	36.97365
2000	41.36529
2001	41.95578
2002	37.2255
2004	39.76633
2005	36.73777
2006	36.72678
2007	35.92571
2008	35.19001
2009	35.31218
2010	36.78219
2011	36.62717
2012	34.55828
2013	33.63657
2014	34.22071
2015	35.34262
2016	35.68628
2018	36.8683
2019	37.50359
2020	39.536
2021	40.71903