62% (2009)

62% (2007)

67% (2006)

63% (1998)

57% (2003)

70% (2005)

58% (2002)

57% (1996)

61% (2007)

60% (2001)

45% (2000)

60% (2004)

40% (2003)

50% (2001)

0% (1996)

70% (2000)

64% (2008)

55% (2002)

0% (1997)

0% (1999)