77% (1995)

70% (2012)

67% (2002)

66% (2019)

64% (2016)

68% (2004)

65% (2007)

65% (2023)

61% (2004)

65% (2010)

61% (1995)

61% (2018)

56% (2010)

56% (2019)

59% (2001)

55% (1981)

0% (1970)

63% (2006)

0% (1983)

70% (2012)