48% (1990)

51% (1993)

65% (2001)

47% (1997)

57% (1996)

61% (1997)

47% (1996)

50% (1997)

100% (1997)

30% (1994)

30% (1993)

52% (1997)

0% (1991)

62% (1991)

52% (1996)

60% (1997)

44% (1993)

40% (1995)

50% (1992)

52% (1990)