22% (2008)

69% (2006)

53% (1998)

65% (1998)

61% (2004)

57% (2008)

59% (2003)

58% (2003)

60% (2006)

66% (2004)

58% (2000)

72% (2003)

53% (2002)

59% (2006)

62% (1999)

67% (2004)

59% (2002)

41% (2005)

50% (2000)

0% (2004)