Year	ages 15+
1990	910
1991	2100
1992	4900
1993	9900
1994	16000
1995	22000
1996	26000
1997	26000
1998	27000
1999	28000
2000	29000
2001	27000
2002	26000
2003	25000
2004	23000
2005	21000
2006	19000
2007	17000
2008	16000
2009	15000
2010	14000
2011	14000
2012	13000
2013	13000
2014	13000
2015	13000
2016	13000
2017	12000
2018	12000