63% (2009)

67% (2006)

63% (1998)

61% (2007)

70% (2005)

61% (2007)

0% (2002)

58% (2002)

57% (2003)

57% (1996)

45% (2000)

40% (2003)

64% (2008)

0% (1995)

70% (2000)

55% (2002)

0% (1996)

0% (1996)

0% (1999)

50% (2001)