Year	%
1993	30.61284
1996	11.12712
1997	10.96374
1998	11.12712
1999	11.2365
2000	11.18803
2001	13.47821
2002	11.56545
2003	13.34322
2004	12.15872
2005	11.37559
2006	11.18256
2007	34.03802
2008	33.60649
2009	31.43524
2010	11.2849
2011	31.14913
2012	11.24335
2013	29.65789
2015	26.08864
2016	29.58626
2017	28.49418
2019	9.113032
2020	9.012503
2021	8.994089