71% (2002)

74% (2003)

0% (2005)

79% (1997)

10% (2013)

70% (2014)

83% (2007)

57% (2008)

58% (2016)

90% (2015)

0% (2021)

0% (2010)

52% (1957)

80% (2014)

78% (1997)

0% (1997)

60% (1982)

0% (1990)

89% (1999)

68% (2020)