Timeline for all types of items produced by
Computer Concepts

Year	Items
1982	7
1983	13
1984	5
1985	9
1986	4
1987	4
1988	1
1990	1
1991	2
1992	3
1993	1

50 items with a valid date were considered for this timeline (96.15% of the total)
2 items with an invalid date.

Help us in our quest to find exact dates for:

198?: 2 items.