Timeline for all types of items produced by
Bit Corp.

Year	Items
1982	5
1983	11
1985	1
1988	2
1989	1
1990	16
1991	23
1992	4

63 items with a valid date were considered for this timeline (94.03% of the total)
4 items with an invalid date.

Help us in our quest to find exact dates for:

198?: 2 items.
199?: 2 items.