Year	%
1988	99764.5329502716
1989	456.660182146775
1990	18.0042006545206
1991	14.662511896674
1992	15.8095977111021
1993	16.5515890108036
1994	16.4813453491591
1995	16.2774341372007
1996	16.9532736390427
1997	17.2001494207448
1998	17.6998546459565
1999	17.5741666666667
2000	18.1432530013328
2001	18.5530521527496
2002	18.2951853974161
2003	15.5492190170989
2004	13.4914364545654
2005	12.1013604539054
2006	11.5757937339595
2007	13.0414649627968
2008	13.1693503603881
2009	14.0446746261656
2010	13.3199668556874
2011	10.5378350892065
2012	11.9943081563015
2013	14.9846018898851
2014	13.5379413593366
2015	12.0523546187589
2016	11.4382974497807
2017	10.7806044298079
2018	10.8957854531661
2019	12.4572600828874
2020	11.1753990283182
2021	9.61987339717133
2022	9.22854363785739
2023	9.48156215456585