Timeline for all types of items produced by
SSI [Strategic Simulations, Inc.] [16685]

Year	Items
1980	4
1981	16
1982	12
1983	29
1984	33
1985	37
1986	30
1987	49
1988	37
1989	26
1990	27
1991	32
1992	28
1993	18
1994	14
1995	15
1996	13
1997	11
1998	3
1999	6

440 items with a valid date were considered for this timeline (98.88% of the total)
5 items with an invalid date.

Help us in our quest to find exact dates for:

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