Year	Age
1981	4411
1990	100000
1991	98000
1992	97000
1993	96000
1994	96000
1995	96000
1996	98000
1997	100000
1998	110000
1999	110000
2000	120000
2001	120000
2002	120000
2003	130000
2004	130000
2005	130000
2006	140000
2007	140000
2008	150000
2009	150000
2010	160000
2011	160000