20% (1998)

35% (2004)

46% (1969)

48% (2011)

39% (1998)

62% (2018)

35% (1999)

20% (1986)

29% (1984)

57% (1965)

25% (2000)

0% (1976)

60% (1994)

10% (1999)

45% (1997)

10% (2003)

69% (1998)

0% (1989)

47% (2005)

0% (1972)