Year	%
1995	35.93588
1996	32.68625
1997	32.89771
1998	33.82317
1999	9.365488
2000	10
2001	11.92808
2002	7.989303
2003	11.14994
2004	8.066447
2005	10.15252
2006	6.396902
2007	6.200528
2008	20.15285
2009	20.23627
2010	9.383418
2011	9.777974
2012	6.123596
2013	20.99447
2014	18.57011
2015	18.42105
2017	20.93759
2018	5.223773
2019	5.257093
2020	5.138807
2021	5.300207