53% (1994)

59% (1991)

57% (1991)

56% (1996)

71% (1991)

62% (1991)

68% (1995)

48% (1994)

51% (1993)

62% (2003)

56% (1991)

55% (2005)

69% (1993)

35% (1999)

61% (1999)

46% (1997)

50% (2002)