Year % of relevant age group 1989 101.85793 1990 102.48046 1991 100.383 1992 97.68786 1993 101.44925 1995 105.44097 1996 107.11777 2013 102.22413 2014 97.47245 2015 98.5977 2016 98.33831 2017 98.32119