66% (2019)

78% (2008)

60% (2003)

50% (2005)

64% (1993)

54% (1960)

91% (2011)

80% (1989)

71% (2010)

50% (2006)

51% (1990)

74% (1999)

68% (1992)

71% (2016)

54% (1979)

78% (1990)

45% (1999)

83% (2005)

86% (2011)

71% (1969)