77% (1973)

73% (1975)

70% (1977)

69% (2018)

63% (1981)

64% (2023)

71% (1977)

70% (2020)

70% (2018)

68% (1976)

59% (1983)

90% (1976)

70% (1978)

68% (1995)

75% (2015)

62% (1978)

71% (1978)

0% (2014)

71% (2017)

44% (1977)