Timeline for all types of items produced by
Gruppo Editoriale Jackson

Year	Items
1984	22
1985	16
1986	4
1987	7
1989	5
1990	3
1991	2

59 items with a valid date were considered for this timeline (79.73% of the total)
15 items with an invalid date.

Help us in our quest to find exact dates for:

198?: 15 items.