Year	Age
1979	443
1990	11000
1991	13000
1992	16000
1993	19000
1994	21000
1995	24000
1996	25000
1997	26000
1998	26000
1999	26000
2000	26000
2001	25000
2002	25000
2003	24000
2004	23000
2005	22000
2006	21000
2007	20000
2008	19000
2009	19000
2010	18000
2011	18000