70% (2024)

65% (2018)

71% (2003)

72% (2002)

69% (2012)

76% (2015)

70% (2007)

66% (2007)

71% (2006)

70% (2015)

69% (2017)

62% (2022)

66% (2013)

69% (2010)

58% (2001)

75% (2006)

66% (2006)

57% (2000)

56% (2005)

0% (1970)