61% (2006)

64% (2011)

60% (2002)

63% (2002)

53% (1998)

54% (2003)

62% (2001)

60% (2003)

66% (1995)

50% (2008)

53% (2001)

39% (2004)

74% (1999)

75% (2002)

57% (2011)

68% (2013)

0% (2006)

45% (2001)

0% (1997)

50% (2008)