Year	%
1977	3.8328901296611497
1978	5.6536121595346005
1979	7.5655256349106
1980	9.50495203370336
1982	7.95208334037526
1983	10.9338744623191
1984	10.2615244812157
1985	13.3130467637717
1986	16.9739962234007
1987	22.991691881521202
1988	15.3930513217122
1989	16.4484445348306
1990	14.852477754467799
1991	14.418109159999801
1992	16.531354193985003
1993	22.3937861253719
1994	27.1213514390775
1995	27.302949879031104
1996	30.118483727183598
1997	33.4443834948606
1998	32.9690329685884
1999	27.1130788148566
2000	81.5326260180529
2001	72.4809579493537
2002	50.4639308491706
2003	55.650544426318504
2004	59.99858991532649
2005	62.887562396413
2006	72.7428079677095
2007	79.8059244147682
2008	145.399998864221
2009	79.4611234608107
2010	64.71017267156
2011	77.0597281531602
2012	65.4447335193493
2013	62.6155643197865
2014	64.1498923261557
2015	68.8006684827839
2016	57.552992658929405
2017	54.0834703528539
2018	70.883583
2019	59.464776
2020	73.976696
2021	67.091077
2022	81.9482088