73% (1992)

66% (1991)

59% (2010)

67% (1990)

75% (2006)

66% (1979)

52% (2009)

61% (2009)

71% (2009)

64% (2021)

65% (1996)

60% (2010)

63% (2018)

69% (1987)

67% (1996)

60% (1955)

70% (1994)

67% (2019)

60% (2016)

62% (2009)