66% (1995)

61% (1998)

52% (2001)

54% (2000)

50% (2001)

43% (1988)

45% (1989)

45% (1996)

63% (1988)

54% (1996)

0% (1999)

50% (1990)

0% (1989)

60% (1995)

0% (1929)

66% (1988)

70% (1988)

40% (1992)

0% (1930)

60% (1994)