Year	per 100 people
1975	0.050985452
1976	0.054108227
1977	0.059104782
1978	0.061119891
1979	0.066935441
1980	0.073074853
1981	0.080151326
1982	0.087415988
1983	0.098538505
1984	0.108461224
1985	0.117960812
1986	0.144952374
1987	0.165904516
1988	0.202983375
1989	0.237434407
1990	0.292202546
1991	0.32236209
1992	0.332748321
1993	0.341758467
1994	0.347042276
1995	0.375300861
1996	0.49440464
1997	0.602118324
1998	0.879146591
1999	1.048060947
2000	1.086707791
2001	1.194346658
2002	1.293505043
2003	1.447717681
2004	1.60723182
2005	1.843781517
2006	2.306062328
2007	2.624597795
2008	2.994846576
2009	3.00668507
2010	3.098856557
2011	3.101040222
2012	3.043109699
2013	3.027939794
2014	3.048804778
2015	3.067475664
2016	3.080403684
2017	3.056047906
2018	2.804139601
2019	2.642851316
2020	2.473710269
2021	2.417180842