56% (2006)

61% (2003)

61% (2000)

67% (2005)

66% (2007)

71% (2013)

41% (2000)

62% (2007)

54% (2007)

54% (2006)

60% (1999)

66% (2013)

58% (2006)

67% (2016)

66% (2012)

65% (2003)

60% (2005)

62% (2006)

70% (2007)

68% (2008)