62% (1970)

35% (1995)

48% (2005)

50% (2001)

71% (2014)

72% (1994)

57% (2008)

100% (1987)

82% (2015)

10% (1996)

95% (2011)

83% (1967)

27% (1999)

0% (1970)

90% (2000)

65% (2015)

40% (1961)

100% (2012)

49% (2009)

90% (1990)