Year	Millions Of Pounds
1911	1625.00
1912	1688.00
1913	1803.00
1914	1887.00
1915	1970.00
1916	2024.00
1917	2088.00
1918	2223.00
1919	2313.00
1920	2341.00
1921	2385.00
1922	2401.00
1923	2544.00
1924	2593.00
1925	2587.00
1926	2611.00
1927	2606.00
1928	2580.00
1929	2551.00
1930	2527.00
1931	2489.00
1932	2430.00
1933	2349.00
1934	2263.00
1935	2206.00
1936	2163.00
1937	2156.00
1938	2123.00
1939	2072.00
1940	2038.00
1941	2029.00
1942	2046.00
1943	2084.00
1944	2096.00
1945	2068.00