Timeline for all types of items produced by
Dro Soft. [Madrid, Spain]

Year	Items
1985	4
1986	19
1987	45
1988	58
1989	54
1990	39
1991	27
1992	5
1994	3

254 items with a valid date were considered for this timeline (83.28% of the total)
51 items with an invalid date.

Help us in our quest to find exact dates for:

198?: 46 items.
199?: 5 items.