Year	Age
1979	4713
1990	280000
1991	450000
1992	660000
1993	910000
1994	1100000
1995	1300000
1996	1500000
1997	1600000
1998	1600000
1999	1600000
2000	1600000
2001	1600000
2002	1600000
2003	1600000
2004	1500000
2005	1500000
2006	1500000
2007	1500000
2008	1500000
2009	1600000
2010	1600000
2011	1600000