20% (2008)

70% (1993)

72% (1956)

60% (1998)

79% (2014)

0% (2012)

60% (2010)

73% (2012)

20% (2007)

70% (2007)

85% (1995)

71% (1971)

0% (2005)

85% (2016)

71% (2015)

60% (2001)

35% (1968)

75% (2013)

90% (1990)

10% (2009)