84% (1999)

75% (1997)

73% (1986)

63% (1980)

61% (2000)

59% (2000)

73% (2003)

71% (1998)

68% (1998)

69% (2015)

64% (1999)

57% (2017)

45% (2019)

69% (1969)

64% (2012)

67% (2000)

60% (1993)

68% (1970)

62% (2001)

59% (1999)