70% (2003)

63% (2021)

35% (1994)

61% (1980)

58% (1993)

77% (1997)

65% (1998)

49% (1972)

70% (1979)

27% (2000)

10% (1993)

67% (2000)

43% (1977)

50% (1972)

70% (2002)

68% (1999)

60% (1999)

50% (2002)

30% (1991)

0% (1983)