The following symbols, where shown in columns of figures of elsewhere in tables, mean:
| ‘000 | thousand |
| $’000 | thousand dollars |
| $m | million dollars |
| $b | billion dollars |
| % | percentage |
| - | nil or rounded to zero (including null cells) |
| . . | not applicable |
| * | subject to high standard errors and should be used with caution |
| ** | subject to sampling variability too high for practical purposes (i.e. relative standard error greater than 50%) |
| < | less than |
| °C | degrees Celsius |
| CO2 | carbon dioxide |
| CO2-e | carbon dioxide equivalent |
| Gg | gigagram |
| GJ | gigajoule |
| GL | gigalitre |
| ha | hectare |
| kg | kilogram |
| km | kilometre |
| km2 | square kilometre |
| km3 | cubic kilometre |
| kt | kilotonne |
| kWh | kilowatt hour |
| L | litre |
| m | metre |
| m2 | square metre |
| m3 | cubic metre |
| MB | megabyte |
| mill. | million |
| ML | megalitre |
| mm | millimetre |
| Mt | megatonne |
| no. | number |
| n.a. | not available |
| n.e.c. | not elsewhere classified |
| n.e.i. | not elsewhere included |
| n.e.s. | not elsewhere specified |
| n.f.d. | not further defined |
| n.p. | not for publication |
| n.y.a. | not yet available |
| p.a. | per annum |
| PJ | petajoule |
| t | tonne |
| excl. | excluding |
| FTE | full-time equivalent |
| incl. | including |
| SAR | special administrative region |
The following abbreviations are used for the titles of the Australian States and Territories and Australia:
| NSW | New South Wales |
| Vic. | Victoria |
| Qld | Queensland |
| WA | Western Australia |
| SA | South Australia |
| Tas. | Tasmania |
| NT | Northern Territory |
| ACT | Australian Capital Territory |
| Aust. | Australia |
Yearly periods shown, for example, as 2000, refer to the year ended 31 December 2000; those shown, for example, as 2000-01, refer to the year ended 30 June 2001. Other yearly periods are specifically indicated. The range of years shown in the table headings, for example, 1901 to 1999-2000, indicates the period covered, but does not necessarily imply that each intervening year is included or that the yearly period has remained the same throughout the series.
Values are shown in Australian dollars ($) or cents (c) unless another currency is specified.
Where figures have been rounded, discrepancies may occur between sums of the component items and totals.