Shorthand for labelling data values

Some tables on StatsWales use symbols, also known as shorthand, to provide extra detail about specific data values. These are as follows:

ShorthandMeaningUse
aAverageThe data value is an average of other values
bBreak in time seriesThere is a break in the data series that means that data before the break cannot be directly compared with data after the break
cConfidential informationThe data value has been suppressed for confidentiality purposes
eEstimatedThe data value is an estimated value
fForecastThe data value is a calculated future value instead of an observed value
kLow figureThe data value is a low figure that appears as a zero when rounded
nsNot statistically significantIt's not possible to determine if the data value is reliable or not
pProvisionalThe data value is yet to be finalised, or is expected to be revised
rRevisedThe data value has been revised since it was first published
sStatistically significant at 0.05 or 5% levelThere's a less than 5% chance the data value is unreliable
ssStatistically significant at 0.01 or 1% levelThere's a less than 1% chance the data value is unreliable
sssStatistically significant at 0.001 or 0.1% levelThere's a less than 0.1% chance the data value is unreliable
tTotalThe data value is a total of other values
uLow reliabilityThe data value is of low statistical quality
wNone recorded in surveyNo data value is estimated to be in this combination of variables
xNot availableThe data value is unavailable for unknown or other reasons
zNot applicableThere is no possible data value for this combination of variables