Year	% of relevant age group
1972	105.88207
1973	96.98231
1974	103.85605
1975	107.98446
1976	106.36633
1977	108.78138
1978	108.61144
1979	102.57272
1980	105.74853
1981	105.77103
1982	106.59108
1983	109.10438
1984	105.48062
1985	102.25519
1986	100.69798
1987	103.26472
1988	95.16019
1989	83.85671
1990	85.25521
1991	85.60451
1992	96.57839
1993	91.03256
1994	90.46906
1996	85.28242
1999	35.94734
2000	72.79781
2001	85.44285
2002	76.34945
2003	67.14507
2004	79.11398
2005	77.86676
2006	85.94307
2007	85.11086
2008	86.60628
2009	97.72151
2010	100.61802
2012	98.19283