40% (2001)

70% (1998)

68% (2011)

61% (2015)

81% (2002)

70% (1999)

78% (2017)

77% (2006)

71% (2003)

82% (1998)

80% (2000)

100% (2006)

60% (1999)

74% (2017)

62% (2014)

69% (2013)

73% (2005)

90% (1997)

71% (2015)

72% (1988)