65% (1997)

0% (1998)

0% (1983)

50% (1998)

85% (1972)

60% (1994)

0% (2006)

70% (1990)

90% (2004)

77% (1996)

0% (1967)

82% (1994)

100% (1999)

75% (2010)

60% (1980)

73% (1995)

80% (1989)

60% (1991)

40% (1998)

60% (1960)