| 1959 | 1982 | 1987 | 1992 | 1996 | 1997 | 1998 | |
| 0 | 0 | 1.6 | 2.2 | 5.1 | 1.6 | ||
| Definitional | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Statistical | 0 | 0 | 1.6 | 2.2 | 5.1 | 1.6 | |
| Source of revision by component | |||||||
| Exports of goods and services | 0 | 0 | .4 | 2.6 | 7.3 | ||
| 0 | 0 | 0 | 0 | .1 | .7 | .5 | |
| 0 | 0 | .3 | 1.9 | 6.9 | |||
| Imports of goods and services | 0 | 0 | 0 | 5.7 | |||
| 0 | 0 | 0 | 0 | ||||
| 0 | 0 | 0 | .8 | 7.7 |