55% (2007)

62% (1998)

71% (2002)

60% (2006)

50% (1989)

50% (2005)

60% (1976)

55% (1993)

70% (2016)

72% (2013)

0% (2004)

57% (2014)

0% (1973)

66% (2018)

0% (1961)

51% (2016)

80% (2005)

0% (2008)

72% (2015)

65% (1980)