Timeline for all types of items produced by
Hewson Consultants, Ltd. [England] [012635]

Year	Items
1981	2
1982	5
1983	11
1984	17
1985	10
1986	17
1987	35
1988	38
1989	35
1990	14
1991	2

186 items with a valid date were considered for this timeline (99.47% of the total)
1 item with an invalid date.

Help us in our quest to find exact dates for:

198?: 1 item.