72% (2018)

55% (2017)

57% (1971)

76% (2006)

66% (1969)

52% (2015)

54% (1996)

52% (2017)

0% (1997)

53% (1999)

68% (1993)

56% (2011)

72% (2016)

63% (1967)

67% (2009)

65% (2014)

51% (2008)

65% (1999)

70% (1981)

51% (1987)