50% (2011)

62% (2001)

70% (2005)

64% (2004)

63% (2001)

43% (2009)

60% (2003)

68% (2007)

61% (2015)

68% (2008)

58% (2011)

57% (2009)

61% (2014)

61% (2001)

63% (2007)

67% (2008)

48% (2011)

63% (2002)

58% (2005)

68% (2015)