Year % of relevant age group 1987 27.0805797576904 1988 33.1772308349609 1993 27.7573204040527 1994 30.0582904815674 1995 34.9750709533691 1999 48.1599006652832 2000 48.6592483520508 2001 49.7198600769043 2002 53.4768218994141 2004 57.9439811706543 2005 62.3815689086914 2006 63.3275718688965 2007 63.9807891845703 2008 61.6637687683105 2010 66.0514221191406