70% (2018)

77% (1998)

49% (2005)

100% (2007)

10% (1986)

50% (1991)

70% (1980)

84% (1997)

55% (1998)

55% (1990)

90% (1971)

100% (1969)

46% (2004)

75% (2013)

35% (1992)

33% (1984)

50% (2004)

45% (1966)

60% (1978)

30% (1994)