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Facet browsing: Date Issued

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2000 1 1999 2 1998 2
1995 25 1994 31 1993 20
1992 33 1991 22 1990 15
1989 16 1988 21 1987 14
1986 17 1985 9 1984 17
1983 9 1982 13 1981 13
1980 4 1979 3