62% (2009)

63% (1998)

61% (2007)

58% (2002)

70% (2005)

67% (2006)

57% (2003)

61% (2007)

70% (2000)

40% (2003)

64% (2008)

57% (1996)

55% (2002)

50% (2001)

0% (1996)

60% (2001)

0% (1997)

0% (1999)

0% (1995)

45% (2000)