Timeline for all types of items produced by
Shape

Year	Items
1988	13
1989	14
1990	4
1991	4
1992	1
1993	2
1994	1
1995	2
1996	7
1997	5
1999	1
2000	1
2001	1
2002	3
2009	1
2010	1

61 items with a valid date were considered for this timeline (91.04% of the total)
6 items with an invalid date.

Help us in our quest to find exact dates for:

19??: 6 items.