66% (2023)

64% (2009)

42% (2019)

75% (2007)

68% (2008)

61% (2022)

62% (2006)

60% (2011)

59% (2013)

69% (1989)

49% (1974)

74% (2004)

51% (2009)

54% (2011)

57% (2008)

47% (1973)

63% (2014)

23% (2015)

54% (2001)

68% (2005)