Year	%
1979	5.14905956245665
1980	8.29315161380768
1981	14.321864888795698
1982	11.8517913807299
1983	17.2751307182648
1984	20.2413436879813
1985	25.695322786439302
1986	18.9949770310065
1987	37.2517770517565
1988	29.760954241792298
1989	31.028035984839704
1990	37.2314252607356
1991	31.5359964535922
1992	31.1167697102251
1993	32.6318331694323
1994	45.5021787612731
1995	40.0448653247088
1996	46.3918454500363
1997	50.787436144105605
1998	47.2849325786566
1999	46.4684358955277
2000	57.195960722044205
2001	64.1297026031908
2002	76.5472115594588
2003	72.01508090904841
2004	70.18552072122979
2005	76.2012819614444
2006	78.3809354270694
2007	105.77245103777
2008	122.791177337452
2009	66.6831660030347
2010	77.7823777846838
2011	94.1825035534299
2012	65.302671051665
2013	57.6797555280849
2014	54.588442408931705
2015	63.233662300658
2016	59.78428378271789
2017	53.644289267657896
2018	61.294484
2019	56.0787081
2020	71.265573
2021	56.596079
2022	64.8795975