76% (2023)

76% (2006)

81% (2012)

80% (2012)

20% (2002)

20% (2007)

80% (2004)

81% (2008)

70% (2013)

80% (2007)

60% (2017)

82% (2017)

80% (2004)

0% (2023)

50% (1970)

0% (1970)