78% (2001)

52% (1994)

60% (2003)

61% (2002)

66% (2002)

73% (1996)

54% (2000)

75% (1994)

68% (2015)

66% (1995)

57% (2003)

62% (1998)

63% (1992)

65% (1996)

50% (2000)