55% (1999)

48% (2004)

71% (2007)

62% (2001)

72% (1994)

70% (1996)

64% (1985)

58% (2007)

58% (2002)

63% (1992)

61% (1987)

73% (1987)

65% (2008)

71% (1992)

48% (2001)

61% (2019)

40% (1991)

30% (1994)

61% (2007)

55% (2020)