79% (2004)

86% (2022)

76% (2002)

83% (2024)

30% (1997)

81% (1999)

80% (2007)

50% (2016)

76% (2011)

97% (2023)

80% (2010)

83% (1988)

76% (2013)

91% (2014)

59% (2011)

60% (2014)

78% (1983)

68% (1974)

78% (1968)

55% (2008)