65% (1983)

41% (2013)

62% (2007)

63% (1992)

63% (1987)

69% (1987)

64% (2021)

53% (2015)

60% (1981)

61% (2010)

60% (1986)

75% (1995)

78% (1990)

57% (2016)

49% (1997)

48% (1987)

68% (2009)

54% (2001)

58% (2002)

58% (1999)