65% (1996)

57% (2000)

57% (2000)

52% (1991)

47% (2004)

52% (1996)

100% (1988)

40% (2004)

51% (1984)

50% (2003)

58% (1999)

56% (1996)

0% (1999)

40% (1991)

0% (2015)

72% (2003)

0% (2008)

60% (1995)

50% (2004)

10% (1999)