Year % of relevant age group 1991 80.4807434082031 1998 78.9263305664062 1999 73.2156829833984 2000 72.030143737793 2002 74.1759185791016 2003 78.3485107421875 2004 85.9825210571289 2015 96.1133728027344 2016 93.0487213134766 2018 93.6630401611328 2019 94.5190124511719 2020 93.4360504150391 2021 95.4342803955078