Year	%
1993	7.945503
1995	19.42502
1996	37.13876
1997	34.29944
1998	40.7807
1999	42.25174
2000	38.82257
2001	36.39344
2002	33.89655
2003	33.64127
2004	35.98474
2005	36.68348
2006	35.84973
2007	36.57471
2008	35.30395
2009	31.63499
2010	36.97129
2011	35.6985
2013	35.38129
2015	36.30998
2016	37.80953
2017	40.69791
2018	39.45206
2019	47.2594
2020	46.65163
2021	51.35289