月份j

季节指数S_j

月份j

季节指数S_j

1

−27.130056098

7

16.175846602

2

−21.321119384

8

13.635027148

3

−4.592140179

9

10.164572359

4

5.697052829

10

0.410807994

5

11.238295315

11

−9.484287431

6

14.468918890

12

−21.266541650