40% (2002)

59% (2015)

64% (1967)

0% (1974)

55% (1989)

70% (1995)

70% (1978)

66% (1979)

0% (1999)

70% (1977)

40% (2006)

30% (2006)

70% (2005)

48% (2007)

40% (2013)

70% (1993)

59% (1982)

57% (1987)

64% (1990)

36% (2014)