62% (2016)

59% (2015)

75% (1999)

65% (1997)

73% (1993)

68% (1995)

74% (1994)

58% (1995)

60% (2000)

58% (1998)

45% (1994)

62% (1998)

59% (1996)

77% (1996)

60% (1994)

66% (1997)

54% (1995)

64% (2006)

69% (1993)

61% (2000)