43% (2012)

69% (1989)

60% (1988)

77% (2008)

57% (1990)

80% (1999)

0% (1990)

65% (2005)

77% (2009)

63% (1988)

53% (1986)

80% (2003)

33% (1986)

0% (1986)

70% (1997)

0% (1991)

30% (1993)

0% (2002)

62% (1989)

0% (1992)