47% (1993)

58% (1996)

38% (2004)

74% (2001)

85% (2000)

39% (1995)

57% (2002)

54% (1997)

53% (1995)

55% (1984)

57% (1988)

78% (2015)

58% (1994)

61% (1990)

50% (1994)

70% (2004)

22% (1994)

55% (1995)

46% (1996)

65% (2004)