* 1. Which of the following best describes your current occupation?

* 2. For what reason do you use the Low Level Aggregates?

* 3. CDID's (Central Database Identifiers) are unique four-letter codes assigned to individual series within ONS releases. Do you use the CDID's within the Low Level Aggregates dataset (found in row 13 and 43 on the following worksheets: CP £ Millions, CVM £ Millions, CVM INDEX, CVM INDEX - SERVICES)?

* 4. If we were to change the CDID's in the Low Level Aggregates data set for internal processing reasons, would this pose a problem for you? The data would remain the same conceptually and this identification change would cause no revisions to the series.