Year	Age
1990	21000
1991	24000
1992	25000
1993	24000
1994	22000
1995	20000
1996	21000
1997	21000
1998	21000
1999	22000
2000	21000
2001	19000
2002	18000
2003	18000
2004	18000
2005	17000
2006	14000
2007	14000
2008	14000
2009	13000
2010	12000
2011	10000