70% (1978)

35% (1977)

70% (2025)

85% (1993)

68% (2013)

0% (1977)

50% (1976)

45% (1974)

55% (1974)

60% (1987)

61% (2022)

58% (2021)

0% (2004)

70% (1972)

74% (1987)

79% (2020)

60% (1961)

72% (1989)

68% (2010)

70% (1992)