Year	%
1992	11.00595
1993	0.101983
1995	21.03717
1996	21.76122
1997	20.9979
1998	33.51445
1999	29.97554
2000	32.0198
2001	30.08538
2002	33.48115
2003	19.76148
2004	25.17639
2005	15.26069
2006	15.211
2007	15.52354
2008	14.63994
2009	14.71766
2010	13.07121
2011	13.02717
2012	12.63488
2013	13.00489
2014	14.30409
2015	13.94476
2016	14.23707
2017	15.13307
2018	16.15648
2019	15.88448
2020	16.50266
2021	15.05703