82% (2020)

61% (2013)

64% (2017)

65% (2024)

58% (2022)

54% (2020)

60% (2019)

61% (2014)

54% (2021)

69% (2009)

51% (2019)

55% (2011)

62% (2012)

67% (2017)

51% (2008)

70% (1970)

55% (1997)

57% (2010)

65% (2015)

61% (2023)