Table 2. Statistics of the R _anom/R _p.i.m. ratio for different rotation ranges.

	Resolution ()
Total rotation ()	30.04.96	4.963.93	3.933.44	3.443.12	3.122.90	2.902.73	2.732.59	2.592.48	2.482.38	2.382.30
45	3.65	2.33	2.45	2.09	2.67	2.61	2.34	2.43	2.11	1.76
90	4.16	2.32	2.08	1.95	2.47	2.17	2.08	2.02	1.81	1.52
180	5.51	2.94	2.71	2.57	2.92	3.08	2.74	2.88	2.48	2.24
270	6.71	3.51	3.08	2.94	3.55	3.36	3.11	3.18	2.67	2.43
360	6.78	3.67	3.33	3.31	3.92	3.62	3.51	3.61	2.98	2.73