73% (2003)

80% (2008)

60% (1989)

35% (1992)

10% (1965)

60% (2005)

0% (1994)

0% (1989)

45% (1997)

49% (2004)

75% (2013)

10% (1982)

50% (2003)

60% (1974)

0% (2014)

77% (1978)

0% (2015)

70% (1995)

0% (2016)

70% (2018)