53% (1953)

53% (1953)

52% (1995)

53% (1970)

40% (1990)

40% (1992)

50% (1961)

43% (1959)

55% (1951)

50% (1994)

61% (1953)

50% (1996)

55% (1958)

37% (1993)

50% (1961)