62% (2003)

68% (2014)

57% (1996)

52% (1997)

62% (2000)

65% (1999)

63% (2000)

72% (1993)

52% (1990)

58% (2001)

87% (1989)

63% (1998)

53% (2003)

35% (1992)

70% (1994)

0% (1989)

54% (2000)

42% (2000)

51% (1999)

44% (1993)