| Conventional signs - absence of value | |
| … | Confidential data |
| - | Null or not applicable |
| x | Not available |
| o | Less than half of the unit used |
| ∞ | Infinite |
| Conventional signs added to value | |
| // | Preliminary value |
| & | Provisional value |
| » | Forecast value |
| * | Rectified value |
| § | Quality standard deviation/Extremely unreliable value |
| “ | Estimate |
| “E | Estimated value by Eurostat |
| ┴ | Series break |
| i | More information |
| Other conventional signs | |
| µ | Media |
| = | Equal |
| > | Greater than |
| ≥ | Greater than or equal to |
| < | Less than |
| ≤ | Less than or equal to |
| % | Percentage |
| ‰ | Permillage |
| ∑ | Sum |
| ≠ | Different |