83% (2001)

80% (2002)

84% (2019)

78% (2020)

84% (2005)

83% (1999)

75% (1995)

75% (1997)

81% (2008)

83% (2001)

80% (1991)

0% (2009)

66% (2012)

70% (1982)

68% (1996)

75% (2003)

58% (1989)

70% (2002)

77% (2007)

78% (2019)