Any	SCI	SSCI	A&HCI	Total
1997	1.619	79	34	1.732
1998	1.597	87	26	1.710
1999	1.655	101	35	1.791
2000	1.756	128	36	1.920
2001	1.831	125	23	1.979
2002	1.773	106	38	1.917