Year	per 100 people
1975	0.2238359110844086
1976	0.23222767957171456
1977	0.24596941631475627
1978	0.25956271480288745
1979	0.2763456895645129
1980	0.3014519736271728
1981	0.31764103182465264
1982	0.3278422933731467
1983	0.37846249776000235
1984	0.40860750828750236
1985	0.4455615402300124
1986	0.4886402985569658
1987	0.5229649353837643
1988	0.5867230110634339
1989	0.6590183537939783
1990	0.7581582144679493
1991	0.8916717945370635
1992	1.1161416193520732
1993	1.5257882089334536
1994	2.2113059037709974
1995	3.1180073048820973
1996	4.061991899270665
1997	5.026225392581068
1998	6.038466537995927
1999	7.2492287812984815
2000	9.269383885498115
2001	11.247244620165358
2002	13.088052344292464
2003	15.61900102987739
2004	18.534239730380992
2005	20.980853313440107
2006	21.339253359790717
2007	21.446252699589106
2008	20.750154990675252
2009	19.568546153457063
2010	18.545341930265767
2011	17.609771271406796
2012	17.052634947973473
2013	15.829257404957184
2014	14.605801338633265
2015	12.84987954929198
2016	11.542227513423999
2017	11.144269912226356
2018	10.844188126626433
2019	10.622490015603532
2020	10.125150121258994
2021	10.017844028855635
2022	9.965646224732431