61% (1983)

68% (1986)

63% (1993)

55% (2006)

53% (1994)

42% (1994)

50% (2001)

62% (2005)

48% (1995)

48% (1995)

50% (2000)

53% (1985)

60% (2003)

60% (2002)

50% (1999)

59% (1999)

0% (1987)

0% (1986)

71% (2008)

50% (2000)