指标 |
1980 |
1984 |
1988 |
1992 |
1996 |
2000 |
2004 |
I(%) |
50.02 |
41.14 |
44.48 |
45.49 |
47.16 |
49.69 |
56.32 |
U(%) |
9.47 |
12.26 |
16.32 |
28.2 |
34.94 |
36.25 |
43.5 |
I/U |
5.28 |
3.35 |
2.72 |
1.61 |
1.35 |
1.37 |
1.29 |