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QUALITY DECLARATION - SUMMARY
The VFACTS collection is compiled for publication on a monthly basis, with the data being provided electronically to FCAI by the motor dealers on a daily basis. VFACTS data is released on the third working day of the following month.
The ABS receives data from VFACTS on the eighth calendar day following the reference period and calculates the seasonally adjusted and trend series for inclusion in New Motor Vehicle Sales. The ABS publication is released monthly and within 15 working days of the end of the reference period. This is usually about 12 working days after FCAI publishes the original series.
FCAI advises coverage of motor vehicle sales in VFACTS is virtually 100%.
Data quality is assured through peer pressure as there is strong competition between dealers/manufacturers. Members are prepared to challenge information that does not accord with expectations. VFACTS data are processed by an independent company and the industry regards the output as very reliable.
The New Motor Vehicle Sales data are directly comparable over the collection cycles. The estimates are available at the state and territory level from 1994 for original, seasonally adjusted and trend series.
As part of the seasonal adjustment and trend analysis, dramatic movements in the New Motor Vehicle Sales are highlighted for investigation and explanation. The ABS seeks advice or explanation from VFACTS in these matters.
The ABS confronts the VFACTS data each month against other statistical indicators to ensure it is accurate and a good indicator of the motor vehicle sales market.
The major series estimates for this collection are available in original, seasonally adjusted and trend series.
Seasonal adjustment removes the estimated effects of normal seasonal variation from the original time series estimates. This is done to reveal the underlying non-seasonal features of the series. Seasonal adjustment does not aim to remove influences such as the impact of the introduction of new models or industrial disputes. The seasonal adjustment factors are reviewed and revised on a regular basis.
The smoothing of seasonally adjusted estimates to produce trend estimates reduces the impact of the volatile component of the seasonally adjusted series.
The New Motor Vehicle Sales publication is an electronic publication and includes spreadsheets with monthly time series from 1994.
New Motor Vehicle Sales data are also available from the ABS National Regional Profile (NRP). Data is purchased from VFACTS at postcode level and concorded to statistical local area and broader ABS Geography for inclusion in the National Regional Profile.
More detail from the VFACTS series is available if you are a member of FCAI.
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