21.  The comparative data used by Eurostat to measure preparedness for the single currency vary slightly from the official inflation figures because of different calculation methods.

22.  Transport Minister David Jamieson said the labels would include comparative data on carbon monoxide emissions and other environmental performance information.

23.  He gave no comparative data.

24.  Comparative data was not disclosed.

25.  Comparative data was unavailable due to a change in the accounting period by the company.

26.  Long-term comparative data are few, since the State Department began computerizing its personnel records only in the last several years.

27.  No comparative data was available as the company had changed balance dates in the previous term.

28.  No comparative data was available as the company is changing its balance date to March.

29.  No comparative data was given.