Explanation of symbols
| + | = | Preliminary data |
| – | = | Non-occurrence |
| .. | = | Not available |
| 0 | = | Less than half of unit |
| ... | = | Confidential data |
| X | = | Not applicable |
| ___, | | = | Break in series (limited comparability) |
Notes
Because of retrospective corrections, the data can differ from the figures of the previous publications.
Percentages and rates have been calculated on the basis of unrounded figures.
The sum of part figures may differ from the total, due to roundings.
Billion is equal to thousand millions.