71% (2001)

63% (2009)

65% (1996)

57% (1970)

70% (1997)

62% (2019)

55% (1998)

59% (2005)

55% (1981)

78% (1979)

51% (1984)

60% (1980)

59% (1980)

0% (2005)

70% (1985)

60% (1986)

70% (1985)

65% (1983)

70% (1983)

45% (1986)