39% (1993)

72% (2015)

50% (2003)

69% (1996)

35% (1984)

70% (1987)

80% (2020)

60% (1979)

56% (1977)

67% (1985)

54% (1979)

46% (1995)

70% (1983)

54% (1996)

55% (1969)

69% (2000)

61% (1974)

80% (1954)

21% (1979)

60% (1995)