Timeline for all types of items produced by
CHR

Year	Items
1982	1
1983	3
1984	6
1985	12
1986	4
1987	13
1988	16
1989	10
1990	19
1991	63
1992	32
1993	18
1994	16
1995	15
1996	12
1997	6
1998	2
1999	1
2001	2

251 items with a valid date were considered for this timeline (85.67% of the total)
42 items with an invalid date.

Help us in our quest to find exact dates for:

199?: 1 item.
19??: 41 items.