68% (2010)

65% (2020)

56% (2018)

65% (2016)

60% (2009)

59% (2001)

38% (2023)

57% (1982)

33% (1977)

60% (2013)

59% (2023)

64% (2021)

55% (2014)

68% (2002)

45% (1980)

64% (2017)

62% (2012)

63% (2009)

66% (2015)

62% (2022)