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

Year	Items
1988	1
1992	3
1995	2
1997	1
1999	2
2000	1
2001	1
2002	1
2003	1
2006	1
2007	1
2008	1

16 items with a valid date were considered for this timeline (43.24% of the total)
21 items with an invalid date.

Help us in our quest to find exact dates for:

198?: 1 item.
200?: 2 items.
????: 18 items.