Symbol Description
$ Australian dollars, unless otherwise specified
% per cent
g   gram
kg kilogram
'000 thousands
mm Hg millimetres of mercury
mmol/L millimoles per litre
n.a. not available
n.p. not published by the data source
.. no data/insufficient data
< less than
> more than
more than or equal to

estimate has a relative standard error of 25% to 50% and should be used with caution