78% (1995)

55% (1982)

82% (2017)

74% (2011)

93% (2003)

84% (1997)

64% (2014)

75% (2004)

65% (1981)

71% (1997)

70% (2002)

51% (2000)

60% (2020)

63% (2006)

61% (1986)

57% (1999)

65% (1987)

83% (1997)

60% (1989)

80% (2012)