Modelled estimates of usage
In the compilation of input-output tables various modelling techniques are used to populate the tables because directly collected information is not available for every cell in the input-output table. As a consequence of these modelling techniques very small values may be estimated in certain cells but the statistical accuracy of these data cannot be verified.
Rounding of estimates and lower level estimates.
The details contained in this publication represent the lowest level at which information from the Input-Output tables Australian National Accounts, Input-Output Tables - Electronic Publication (cat. no. 5209.0.55.001) is available. The Input-Output spreadsheets here contain data rounded to the nearest one million dollars at the total by product level for supply and use, in both basic prices and purchasers prices, this rounding has been applied as the ABS does not have confidence in the statistical accuracy of the estimated values for cells less than $500,000. For analytical purposes the values of margins, taxes and subsidies (used to move from basic prices to purchasers prices) are displayed to the nearest one million dollars, however the individual cells in the spreadsheet have not been rounded to this level and contain values to 3 decimal places. Data at this level should be used with caution as these values are a direct result of various modelling techniques used in their derivation.
Additivity - Sum of the components may not equal total.
The sum of the components may not equal the reported total in all cases. This has been caused by small values (less than $500,000) being assigned to different industries or products as part of the modelling processes used in the compilation of Input-Output tables. Cells with a value of less than $500,000, while not displayed in the tables, have been included in the total values. The totals reported, however, relate to the information released in Australian National Accounts, Input-Output Tables - Electronic Publication (cat. no. 5209.0.55.001) and sum to the same values.
Products combined for confidentiality purposes
The information contained in these product details has been confidentialised. This confidentiality has been applied through either the suppression of some values (shown as 'n.p.') or through the aggregation of a number of products into a single product. Where a number of products have been combined, these can be identified in the tables through the use of the suffix 9998 in the product code. Further details of the combined or suppressed products, including information on the nature of the original products, is not available.