80% (2003)

60% (1988)

69% (1989)

33% (1986)

77% (2008)

36% (2012)

35% (1993)

53% (1986)

0% (1990)

62% (1989)

63% (1988)

0% (1991)

30% (1993)

65% (2005)

57% (1990)

50% (1989)

70% (1997)

60% (1990)

0% (1989)

0% (1986)