20% (2020)

58% (2006)

0% (1987)

83% (2015)

81% (1978)

84% (2015)

0% (2010)

31% (2015)

0% (1976)

83% (2001)

30% (1962)

35% (2012)

72% (2013)

70% (2011)

46% (2007)

65% (1990)

0% (2017)

84% (2020)

72% (2018)

67% (1961)