70% (1997)

58% (2011)

49% (1990)

69% (2008)

10% (1992)

61% (2000)

72% (2007)

45% (1996)

0% (1960)

70% (1982)

42% (1998)

30% (2002)

20% (1998)

47% (1993)

64% (1994)

71% (2017)

0% (1993)

60% (1991)

74% (1992)

10% (1984)