TABLE 16


 RATES OF GROWTH IN PIG IRON SHIPMENTS BY DECADE, 1860-1960
 (Shipments in Thousand Short Tons)


 No. Yrs.
 Output
 Advanced,
 Declined
 Percent Over
 Increase Previous
 Over Year's Levels of Shipments
 Average Previous
Period Shipments Decade Adv. Dec. Lowest Highest

1951-1960 67,650 18.6 6 4 57,783 (1954) 77,301 (1955)
1941-1950 57,041 116.0 7 3 45,076 (1946) 64,626 (1950)
1931-1940 26,402 29.2 7 3 9,541 (1932) 46,959 (1940)
1921-1930 37,274 4.6 6 4 17,963 (1921) 46,535 (1929)
1911-1920 35,640 51.0 5 5 24,935 (1914) 43,821 (1916)
1901-1910 23,598 114.5 8 2 17,784 (1901) 29,875 (1910)
1891-1900 10,999 72.6 6 4 7,456 (1894) 15,444 (1900)
1881-1890 6,373 136.6 6 4 4,530 (1885) 10,307 (1890)
1871-1880 2,694 111.6 7 3 1,912 (1871) 4,295 (1880)
1861-1870 1,273 n/a 7 3 732 (1861) 1,917 (1869)


Source: Computed on data in Historical Statistics, pp. 365-66, Series M-207.