Year	Number of Girls
1971	159736
1975	181417
1978	168092
1979	159075
1980	150071
1981	139385
1982	123292
1983	106222
1990	66867
1991	59030
1992	54550
1993	46800
1994	44804
1995	40110
1996	44750
1997	48518
1999	43936
2000	35209
2001	20676
2005	6918
2006	6737
2007	12722
2008	11573
2009	8340