Year	per 100 people
1983	5.164319249
1984	5.545068429
1985	6.999810175
1986	10.31296999
1987	12.66309441
1988	17.0784831
1989	19.82094067
1990	23.89999016
1991	25.08016378
1992	28.18826406
1993	29.51310138
1994	32.37065784
1995	33.86603995
1996	36.29951041
1997	39.35541506
1998	41.52837441
1999	44.74958171
2000	48.19515629
2001	48.92793459
2002	50.7954349
2003	50.61273718
2004	43.68827823
2005	43.44569288
2006	44.05427316
2007	43.49675635
2008	43.26066672
2009	43.35321237
2010	41.76950826
2011	41.61324899
2012	41.90500136
2013	40.19595528
2014	40.59511603
2015	41.3224524
2016	36.47986942
2017	36.18842339
2018	32.70450786
2019	33.84054326
2020	33.67616809
2021	32.97903626