77% (2004)

60% (2010)

61% (2023)

57% (2021)

77% (2011)

57% (2011)

66% (2002)

82% (1994)

67% (2012)

57% (2013)

71% (1997)

52% (1991)

60% (1989)

56% (2012)

60% (2010)

56% (1998)

67% (1991)

61% (1957)

55% (2015)

71% (1994)