Year	ages 15+
1990	47000
1991	47000
1992	47000
1993	46000
1994	44000
1995	41000
1996	40000
1997	37000
1998	35000
1999	33000
2000	31000
2001	29000
2002	28000
2003	26000
2004	25000
2005	24000
2006	23000
2007	22000
2008	21000
2009	20000
2010	18000
2011	17000
2012	17000
2013	16000
2014	15000
2015	14000
2016	14000
2017	13000
2018	12000