| Fixed-weighted index, 1987 weights | Chain-type annual-weighted index | Benchmark-years-weighted index | Col. 2- col. 1 | Col. 3- col. 1 | Col. 3- col. 2 | |
| 1959-87 | 3.1 | 3.4 | 3.4 | 0.3 | 0.3 | 0 |
| 1959-63 | 3.5 | 3.8 | 3.8 | .3 | .3 | 0 |
| 1963-67 | 4.9 | 5.3 | 5.4 | .4 | .5 | .1 |
| 1967-72 | 3.0 | 3.3 | 3.3 | .3 | .3 | 0 |
| 1972-77 | 2.6 | 2.9 | 2.9 | .3 | .3 | 0 |
| 1977-82 | 1.3 | 1.6 | 1.7 | .3 | .4 | .1 |
| 1982-87 | 3.8 | 4.0 | 4.0 | .2 | .2 | 0 |
| 1987-90 | 2.5 | 2.5 | 2.4 | 0 | -.1 | -.1 |
