56% (2006)

57% (2007)

53% (2000)

62% (2005)

54% (2000)

47% (2005)

46% (2005)

50% (2002)

50% (2006)

36% (2011)

50% (2005)

59% (2000)

50% (2003)

53% (2003)

47% (2009)

49% (2005)

39% (2001)

64% (2007)

53% (2008)

64% (1997)