Timeline for all types of items produced by
Zenryutsu [Japan]

Year	Items
1986	2
1987	4
1988	19
1989	23
1990	4
1991	1

53 items with a valid date were considered for this timeline (98.15% of the total)
1 item with an invalid date.

Help us in our quest to find exact dates for:

198?: 1 item.