83% (2000)

74% (2013)

69% (2014)

68% (1996)

76% (1999)

60% (2000)

64% (2015)

71% (2012)

59% (2006)

61% (1999)

51% (2005)

62% (2020)

61% (2016)

72% (2003)

67% (2005)

50% (2006)

77% (2005)

53% (2005)

58% (2002)

0% (1970)