64% (1981)

47% (1977)

71% (2014)

54% (2005)

37% (2002)

55% (2010)

73% (2000)

73% (2015)

62% (1992)

60% (1994)

62% (2014)

55% (2021)

61% (1978)

59% (2004)

55% (2016)

54% (1986)

59% (2009)

72% (1975)

63% (1990)

62% (1986)