First-Class Bowling in Each Season by Kenneth Siviter

Season		Balls	Mdns	Runs	Wkts	BB	Ave	5wI	10wM
1974	(England)	123	1	79	4	3-24	19.75	0	0
1975	(England)	420	5	257	7	3-29	36.71	0	0
1976	(England)	1152	44	544	12	4-67	45.33	0	0
1977	(England)	115	3	84	2	2-64	42.00	0	0