69% (1997)

61% (2014)

76% (2018)

62% (2008)

62% (2004)

69% (2009)

69% (1993)

68% (2022)

63% (2023)

63% (2012)

70% (2003)

59% (2010)

64% (2004)

0% (1970)

54% (2021)

70% (2015)

55% (2018)

49% (2014)

62% (2005)

58% (2002)