Year	%
1976	4.3766513998473515
1977	3.7258685576580164
1978	4.892722059259552
1979	14.734988070187509
1980	16.062554993603996
1981	10.70322836235892
1982	5.07760856310888
1983	6.4754631122927595
1984	7.077775107573984
1985	9.642835292369963
1986	8.776124342973533
1987	14.108560114124149
1988	9.752363378540275
1989	12.061923079032365
1990	20.963408203373167
1991	17.412701859533037
1992	29.78212904100928
1993	25.276588826604467
1994	38.936561819506984
1995	30.87654933391831
1996	19.574532343155067
1997	40.3830863777515
1998	40.69022478530863
1999	30.715242769124064
2000	55.83827362980788
2001	57.58713088357801
2002	47.020603436282244
2003	43.69803709591539
2004	60.86521097245042
2005	50.238509191361175
2006	53.88416720541127
2007	77.50886209260484
2008	135.99918646588694
2009	112.1948978132069
2010	100.6005857942026
2011	97.86215069011376
2012	71.68992038086459
2013	94.15276833557752
2014	105.66366281282538
2015	268.9625620263164
2016	154.78758542441668
2017	118.15300066393375
2018	122.58688965918039
2019	122.18786539588874
2020	161.6372619673725
2021	180.37831122061107
2022	173.93474265389656
