78% (2004)

58% (2021)

61% (2023)

54% (2015)

55% (1999)

82% (1994)

66% (2002)

59% (2010)

77% (2011)

52% (1991)

58% (2011)

71% (1997)

57% (2013)

56% (1998)

67% (1991)

67% (2012)

76% (1992)

56% (2012)

60% (2004)

70% (1997)