Year	%
1978	181.029810298103
1979	343.63157894736804
1980	247.853733641263
1981	413.960396039604
1982	45.470930232558096
1983	30.889438943894397
1984	50.1428961748634
1985	77.8158567774936
1986	72.598731884058
1987	115.13690607734799
1988	50.4741447368421
1989	50.0275110782866
1990	45.158611449451904
1991	30.7984624367458
1992	31.8251023467681
1993	31.162947854989696
1994	43.8926537774524
1995	37.7001952500475
1996	40.3884182947231
1997	33.0183190383908
1998	30.475683900516398
1999	22.6758115934239
2000	35.702038827406504
2001	42.047601117644604
2002	24.4720979130979
2003	18.8376254029936
2004	25.8056513812938
2005	22.785650945445703
2006	23.494185206493302
2007	29.6487740865137
2008	36.2566913782458
2009	22.0302867720712
2010	24.4572089918763
2011	24.41686890031
2012	22.7949847243159
2013	31.119200181956604
2014	26.6604138901343
2015	25.768356693076598
2016	28.1613491133413
2017	23.1281566888446
2018	24.3595
2019	20.4784
2020	20.695
2021	19.6435
2022	23.2589