PART II.-LIGNITE PRODUCTION.

TABLE A.-STATEMENTS showing the Quantity of Lignite produced, the Number of Persons employed, and the Quantity of Lignite produced per Person employed in the Principal Producing Countries, in the undermentioned Periods.

These figures relate to the average number of persons employed during each year, and include women at work above ground.

The figures are calculated on the quantity of lignite produced, and the average number of persons employed in the production of lignite, according to the official statements.

Including women at work above ground and children under 16 years of age, at work above and below ground.

The figures are calculated on the quantity of lignite produced, and the number of persons employed in the production of lignite, according to the official statements. Inclusive of anthracite and bituminous schist.

* Inclusive of anthracite and bituminous schist.

The figures are calculated on the quantity of lignite produced, and the number of persons employed in the production thereof, according to the official statements.

Including women and children.

The figures for 1918 and later years relate to the Republic of Austria.

¶ Output of Burgenland included from 1922.

TABLE B.-STATEMENT showing the PRODUCTION of LIGNITE in the undermentioned COUNTRIES in the year 1913 and in 1920 and later years.

The figures are calculated on the quantity of lignite produced, and the number of persons employed in the production thereof, according to the official statements.

PART III.-PETROLEUM PRODUCTION.

TABLE A.-STATEMENT showing the PRODUCTION of PETROLEUM in RUSSIA and the UNITED STATES, and EXPORTS therefrom, in the undermentioned Periods.

Note The Pood has been taken as equivalent to 4124 imperial gallons for raw naphtha, to 4.667 imperial gallons for benzine, gasoline, etc., to 4.375 imperial gallons for illuminating oil, to 4-279 imperial gallons for lubricating oil, and to 3.889 imperial gallons for residuum.

• Provisional figures.

+ Figures showing the total production are not available for the years 1904 to 1908. The figures for these years relate to the production of the Baku and Groznyi oil fields only.

Note-The United States gallon has been taken as equivalent to 0.833 of an imperial gallon. Excluding fuel or bunker oil laden on vessels engaged in the foreign trade. The following were the quantities so shipped, so far as information is available :