66% (2024)

64% (2023)

70% (2012)

69% (2008)

55% (2017)

63% (2017)

62% (2016)

67% (2014)

69% (2015)

57% (2005)

0% (1970)

58% (2008)

68% (2010)

40% (2023)

54% (2017)

57% (2010)

57% (2017)

0% (1970)

35% (2018)

63% (2007)