Symbols employed
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| . |
Not applicable. |
| ... |
Not available. |
| - |
Magnitude zero. |
| 0 |
Magnitude not zero, but less than half of unit employed. |
| 0.0 |
Magnitude not zero, but less than one tenth of unit employed. |
| C |
Confidential data. |
| * |
Provisional, preliminary or estimated figure. |
| x |
United Nations estimate. |
| ¨ |
Monthly average for quarter or index for quarter. |
| # or ½ or ¾ |
Marked break in series. |
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Decimal figures are always preceded by a period (.).
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