Year	%
1989	5.527472
1990	2.575912
1991	2.678265
1992	2.361926
1993	2.161951
1995	1.766131
1996	1.769042
1997	0.0190251
1998	1.862939
1999	1.492077
2000	1.332068
2001	1.257482
2002	1.380526
2003	1.302299
2004	1.312698
2005	1.27883
2006	1.270525
2007	1.522386
2008	1.395904
2009	1.358123
2010	1.334619
2011	1.194852
2012	1.217692
2013	1.164463
2014	1.252218
2015	1.303706
2016	1.332513
2017	0.9910344
2018	0.8628309
2019	0.9526508
2020	1.144336
2021	0.6896711