5439.0 International Merchandise Imports, AustraliaTABLE 3. Standard International Trade Classification (3 digit), Customs Value781 Motor cars and other motor vehicles principally designed for the transport of persons (excl. motor vehicles for the transport of ten or more persons, incl. the driver), (incl. station wagons and racing cars) ; (unit: $ Millions, series type: Original, data type: Flow, frequency: Month, collection month: 1, since: Jan-1988)
.The graph was plotted with gnuplot, and shows both the raw data (black points), and a trend constructed from a weighted cubic spline with a weighting of 1e-22 (red line).
This image is based on Australian Bureau of Statistics data.The underlying data is from series A1828941X : column 222, table 543903, available as part of a set with analysis, metadata and explanatory notes, or in the Excel file,  and is licensed under the Creative Commons Attribution 2.5 license (Australia).
Toby Hudson