68% (2004)

64% (2020)

67% (2024)

77% (2000)

67% (2006)

72% (2006)

63% (2022)

79% (2021)

69% (2012)

65% (2000)

59% (2007)

66% (2018)

68% (2016)

70% (2015)

71% (2003)

67% (2005)

0% (1970)