In this table, calorific values for different types of coal and coal products are shown on a country by country basis …. The aggregates for hard coal and brown coal are included for years prior to 1978 only. This table provides the calorific … values used to convert raw tonnes of coal and coal products into energy for the OECD Coal Balance data. It is shown in …

This table contains world data on coal supply as well as coal consumption. …