Year	% of relevant age group
1981	106.11143
1982	107.03119
1983	106.82791
1984	104.49975
1985	104.09546
1986	100.41005
1987	99.84479
1988	100.36026
1989	101.98575
1990	102.03072
1993	102.76961
1994	99.92291
1999	104.85738
2000	101.79232
2001	98.95123
2002	98.53888
2003	99.87372
2004	102.54696
2005	102.09065
2006	104.63169
2007	106.05685
2008	104.07422
2009	103.01598
2010	102.93946
2011	104.88286
2012	102.49794
2013	101.33187
2014	98.25993
2015	99.31234
2016	93.93346
2017	93.06605