73% (2003)

66% (2002)

68% (2007)

61% (2009)

59% (2004)

50% (2007)

63% (2000)

81% (2006)

57% (2005)

61% (2007)

45% (2009)

58% (2008)

55% (2007)

69% (2003)

60% (2004)

57% (2008)

68% (2002)

82% (1999)

42% (2009)

0% (2009)