52% (1994)

0% (1981)

60% (2003)

62% (2005)

50% (2001)

65% (1986)

50% (1999)

53% (1995)

61% (1983)

63% (1993)

59% (1999)

71% (2008)

48% (1995)

60% (2006)

60% (2002)

59% (1995)

0% (1993)

65% (2002)

0% (1986)

53% (1985)