35% (1994)

0% (1995)

68% (1999)

80% (2015)

56% (2012)

35% (2007)

64% (2012)

20% (1997)

80% (2018)

70% (2006)

0% (1990)

48% (1995)

40% (1961)

43% (1998)

45% (1997)

52% (2006)

62% (1970)

0% (1977)

10% (1965)

0% (2002)