48% (1998)

67% (1997)

55% (2003)

68% (2001)

60% (1985)

70% (1998)

60% (1998)

42% (2003)

40% (1996)

52% (1999)

57% (1997)

58% (1997)

45% (2000)

55% (1999)

0% (1999)

0% (1969)

58% (1996)

0% (2003)

68% (1999)

0% (1976)