53% (2015)

79% (1991)

63% (1987)

55% (2014)

59% (2001)

68% (2009)

65% (1983)

76% (1995)

63% (1992)

61% (2007)

57% (2016)

61% (1995)

60% (1982)

49% (1997)

67% (1969)

58% (1999)

59% (2002)

52% (1999)

61% (1986)

53% (2023)