68% (2004)

66% (2024)

72% (2006)

67% (2006)

64% (2020)

77% (2000)

79% (2021)

69% (2012)

64% (2022)

59% (2007)

68% (2016)

64% (2000)

65% (2018)

70% (2015)

70% (2003)

67% (2005)

0% (1970)