61% (1974)

60% (2016)

47% (2015)

61% (1984)

70% (1976)

67% (2015)

61% (1997)

65% (2017)

0% (1970)

47% (2012)

56% (1990)

64% (1997)

61% (2001)

58% (2006)

51% (2009)

0% (1996)

54% (1990)

61% (1978)

62% (1993)

0% (1970)