Year	%
1993	5.35701537714702
1994	6.31417265043923
1995	4.003739016638621
1996	6.679281366158491
1997	8.01469623409001
1998	5.5499744443857
1999	4.65298129870813
2000	5.26442849325651
2001	10.770772203535401
2002	4.62246637939
2003	5.4160138011807
2004	5.384742443191199
2005	6.0094913855359495
2006	3.1636519841646
2007	5.19984644680948
2008	7.479209522113949
2009	5.16951405717064
2010	4.707994690929819
2011	6.50121412592493
2012	4.12027687636662
2013	3.59256794914089
2014	5.29458280291897
2015	6.365777676468349
2016	4.36353208601919
2017	4.6060437342494005
2018	4.6205
2019	4.3318
2020	5.0452
2021	3.4305
2022	2.8387