51% (2005)

95% (1995)

53% (1991)

50% (1997)

55% (1993)

20% (2000)

55% (2016)

40% (1994)

78% (1977)

37% (1977)

70% (1991)

60% (1986)

70% (1991)

25% (2004)

60% (1991)

70% (1981)

20% (1974)

60% (1951)

50% (1997)

70% (1986)