55% (1999)

61% (2001)

48% (2004)

71% (1994)

70% (2007)

71% (1992)

60% (1987)

64% (1992)

69% (1996)

63% (1985)

61% (2015)

30% (1994)

64% (1987)

57% (2007)

64% (1995)

58% (2002)

66% (2019)

49% (2010)

60% (2002)

74% (1987)