0% (1976)

63% (2012)

50% (2012)

45% (1985)

10% (2009)

15% (1991)

84% (2006)

83% (1993)

0% (1980)

52% (1996)

88% (2014)

54% (2009)

60% (2012)

0% (2017)

72% (1983)

83% (2018)

0% (2007)

69% (2016)

80% (1991)

0% (2013)