Year	%
1989	5.993606
1990	2.422622
1991	2.479013
1992	2.097299
1993	1.855357
1995	1.623692
1996	1.693548
1997	0.0183055
1998	1.74331
1999	1.330285
2000	1.165282
2001	1.100724
2002	1.146945
2003	1.116597
2004	1.127088
2005	1.066466
2006	1.077848
2007	1.169052
2008	1.045631
2009	1.022664
2010	0.9719422
2011	0.8495145
2012	0.8695003
2013	0.8386346
2014	0.9063012
2015	0.9623579
2016	1.015772
2017	0.8460237
2018	0.7313716
2019	0.7898707
2020	1.08762
2021	0.7334799