Year	%
1995	35.14339
1996	41.61097
1997	33.82981
1998	34.2709
1999	34.935
2000	3.423663
2001	3.775129
2002	4.860108
2003	5.026263
2004	3.914861
2005	4.807447
2006	4.064178
2007	3.367845
2008	3.500256
2009	5.421807
2010	4.475173
2011	4.367018
2012	4.619367
2013	4.376516
2014	2.776457
2016	2.60139
2018	4.994524
2019	5.605606
2020	5.047336
2021	5.151035