Timeline for all types of items produced by
World Wide Expressive

Year	Items
1987	4
1988	46
1989	36
1990	13
2004	3

102 items with a valid date were considered for this timeline (90.27% of the total)
11 items with an invalid date.

Help us in our quest to find exact dates for:

198?: 3 items.
19??: 8 items.