55% (1999)

72% (1994)

61% (2001)

60% (1987)

48% (2004)

63% (1985)

57% (2007)

69% (1996)

61% (2015)

30% (1994)

58% (2002)

70% (2007)

71% (1992)

74% (1987)

64% (1992)

64% (1987)

55% (2010)

61% (2007)

65% (1996)

64% (1995)