Timeline for all types of items produced by
Ikari

Year	Items
1983	1
1984	2
1986	4
1987	105
1988	206
1989	64
1990	24
1991	10
1993	3
1996	1

420 items with a valid date were considered for this timeline (95.45% of the total)
20 items with an invalid date.

Help us in our quest to find exact dates for:

198?: 1 item.
199?: 2 items.
19??: 17 items.