72% (2011)

0% (1999)

0% (2003)

30% (2013)

0% (2004)

0% (1998)

26% (2009)

100% (2011)

73% (2017)

95% (2017)

30% (2005)

80% (2007)

74% (2013)

70% (2005)

70% (1991)

55% (2003)

50% (2005)

78% (2003)

40% (2014)

67% (2005)