Year	ages 15+
1990	11000
1991	15000
1992	20000
1993	26000
1994	31000
1995	35000
1996	37000
1997	36000
1998	34000
1999	32000
2000	29000
2001	26000
2002	23000
2003	22000
2004	20000
2005	19000
2006	19000
2007	19000
2008	19000
2009	19000
2010	18000
2011	17000
2012	17000
2013	16000
2014	16000
2015	15000
2016	14000
2017	13000
2018	12000