Index futures	Stock futures	Index options	Stock options
	share in total	share in total	share in total	share in total
	derivatives	derivatives	derivatives	derivatives
	volume	volume	volume	volume
	(per cent)	(per cent)	(per cent)	(per cent)
November 2001	28	32	5	34
December	18	58	3	21
January 2002	12	62	2	24
February	13	64	2	21
March	11	68	2	19
April	8	70	2	21
May	9	68	2	22
June	9	69	2	20
July	8	70	2	20
August	11	66	2	21
September	10	64	2	23
October	9	63	2	25
November	9	64	2	25
December	11	64	2	23
January 2003	9	65	2	24
February	10	66	2	22
March	13	60	4	22
April	14	59	3	23
May	12	61	3	24
June	13	64	3	21
July	13	64	3	19
August	18	65	3	14
September	25	62	3	11
October	23	65	2	11