Year	%
1995	51.62504
1996	48.24655
1997	51.193
1998	43.2971
1999	44.54409
2000	34.56994
2001	37.64594
2002	38.24388
2004	36.67491
2005	22.78935
2006	15.31315
2007	16.12125
2008	28.92952
2009	11.06396
2010	11.8202
2011	5.075934
2012	0.2385736
2013	12.32706
2014	11.09207
2015	12.1027
2016	11.95003
2017	12.60962
2018	3.002388
2019	3.223297
2020	3.053344
2021	2.701539