REVIEW REPORT FOR UKRAINE
Recalculations and time-series consistency
21. The period 1991–1997 lacks complete data on fuel consumption by categories because of changes that occurred in the Ukrainian statistical system. For instance, for this period activity data(AD), implied emission factors (IEFs) and emissions of liquid, solid, gaseous and other fuels from energy industries, manufacturing industries and construction, transport and other sectors are reported as not estimated ("NE"). The ERT encourages Ukraine to use splicing and the techniques recommended in the IPCC good practice guidance to make the time series consistent. The ERT also strongly recommends that as a next step Ukraine disaggregate the data available for 1991–1997 using existing statistical or other AD sources (e.g. information on the vehicle fleet that will allow to obtain road transportation emission estimates for 1991–1997, or industry data such as fuel use).