77% (2008)

70% (2010)

61% (2011)

78% (2003)

0% (1999)

75% (2006)

68% (2012)

65% (2003)

67% (2013)

74% (1988)

71% (2005)

69% (2006)

78% (2020)

57% (2004)

83% (2010)

72% (2011)

76% (2017)

0% (2003)

83% (2008)

0% (2002)