58% (2002)

57% (2003)

67% (2000)

52% (2001)

53% (2003)

60% (2001)

55% (2008)

71% (2013)

60% (2011)

55% (2010)

54% (2004)

66% (2007)

68% (2006)

58% (2002)

41% (2000)

54% (2007)

63% (2004)

61% (2000)

66% (2007)

70% (2006)