Timeline for all types of items produced by
MicroPro International Corp.

Year	Items
1979	1
1980	1
1981	5
1982	9
1983	8
1984	4
1985	2
1986	1
1987	1

32 items with a valid date were considered for this timeline (68.09% of the total)
15 items with an invalid date.

Help us in our quest to find exact dates for:

198?: 15 items.