Purchase of fuel oil and JP1 (bunkering) abroad by Danish-operated ships and planes respectively is included in the table as supply from imports and as use in Water- and Air Transport. Please notice that the energy accounts for the years 1966 to 1974, to some extent, are based on other data sources than the energy accounts for 1975 and onwards. Therefore, in particular cases, there might be breaks in the detailed time series on the supplies and uses of the individual energy products.