Producer (IPP) means a measure

0.061898 16.155485 3.2661% 1944 1.077463 0.928106 -13.0688% 1919 0.748944 1.335214 15.7925% 1918 0.403176 2.480308 14.2845% 1917 0.892635 1.120279 16.6637% 1916 0.440156 2.271922 20.0069% 1915 0.043538 22.968353 9.1939% 1914 0.063837 15.664919 2.3510% 1913 0.099182 10.082464 1.1940% 1912 0.066664 15.000506 -1.1800% 1875 0.555551 1.800015 1.1940% 1912 0.548996 1.821508 1.1977% 1911 0.525340 1.903529 2.4765% 1910 0.052836 18.926512 3.8464% 1908 0.029381 34.035233 -2.5073% 1906 0.340436 2.937411 5.2689% 1905 0.974379 1.026295 2.6987%

Head