Timeline for all types of items produced by
ASDG

Year	Items
1987	1
1989	1
1991	1
1992	2
1993	3
1994	2
1997	1

11 items with a valid date were considered for this timeline (78.57% of the total)
3 items with an invalid date.

Help us in our quest to find exact dates for:

199?: 3 items.