Timeline for all types of items produced by
Database Publications

Year	Items
1983	10
1984	41
1985	42
1986	30
1987	24
1988	20
1989	20
1990	15
1991	5
1992	5

212 items with a valid date were considered for this timeline (96.36% of the total)
8 items with an invalid date.

Help us in our quest to find exact dates for:

198?: 7 items.
19??: 1 item.