Timeline for all types of items produced by
Unknown [Spain]

Year	Items
1981	1
1982	1
1983	1
1985	4
1986	4
1987	4
1988	2
1989	3
1990	3
1991	4
1992	2
1994	2
1995	1
1997	1
1998	2
2000	1
2004	1
2005	1
2007	1
2009	2
2012	2
2014	4

47 items with a valid date were considered for this timeline (78.33% of the total)
13 items with an invalid date.

Help us in our quest to find exact dates for:

198?: 1 item.
199?: 2 items.
19??: 9 items.
200?: 1 item.