Year	Age
1981	2089
1990	100000
1991	170000
1992	290000
1993	470000
1994	750000
1995	1200000
1996	1700000
1997	2300000
1998	2900000
1999	3500000
2000	4000000
2001	4400000
2002	4700000
2003	4900000
2004	5000000
2005	5200000
2006	5200000
2007	5300000
2008	5400000
2009	5400000
2010	5500000
2011	5600000