51% (1996)

52% (1997)

37% (2007)

44% (1997)

46% (1996)

54% (1996)

30% (1994)

50% (1995)

50% (1996)

30% (1997)

48% (1998)

43% (2004)

57% (1996)

77% (2003)

0% (1996)

40% (1992)

45% (1992)

75% (1994)

30% (1995)

40% (1995)