Year	Age
1990	600
1991	1000
1992	1000
1993	1000
1994	1000
1995	1100
1996	1100
1997	1100
1998	1200
1999	1200
2000	1300
2001	1300
2002	1400
2003	1400
2004	1500
2005	1500
2006	1600
2007	1600
2008	1700
2009	1700