68% (1995)

63% (1964)

54% (1995)

60% (1986)

35% (1993)

44% (1990)

50% (1995)

61% (1996)

46% (1968)

60% (1990)

75% (1995)

37% (1990)

55% (1994)

48% (1995)

59% (1994)

10% (1993)

55% (1990)

50% (1991)

53% (1994)

0% (1994)