Year	Age
1983	1380
1990	12000
1991	12000
1992	12000
1993	11000
1994	11000
1995	11000
1996	11000
1997	11000
1998	11000
1999	12000
2000	12000
2001	13000
2002	14000
2003	14000
2004	15000
2005	16000
2006	17000
2007	18000
2008	19000
2009	20000
2010	21000
2011	22000