54% (1994)

71% (1991)

56% (1991)

64% (1991)

59% (1991)

56% (1996)

62% (2003)

50% (1994)

68% (1995)

56% (1991)

52% (1993)

35% (1999)

61% (1999)

69% (1993)

46% (1997)

50% (2002)

55% (2005)