TABLE 18
AVERAGE ANNUAL RATES OF GROWTH BETWEEN DECADE AVERAGES FOR COPPER,
 PIG IRON, AND STEEL INGOTS AND CASTINGS, 1861-1960


 Average Annual Rate of Growth Between Decade Averages (percent)

 Copper Pig Iron Steel Ingots and
Period Production Shipments Castings Production

1951-1960)) 0.9 1.7 1.9
1941-1950)
191-1950)) 5.4 8.0 7.7

1931-1940) -3.4
1921-1930) -3.5 1.4 -4 .8 -2.7
1921-1930)
1911-1920)) -0.3 0.4 1.9
1911-1920)
1911-1920)) 5.9 5.1 4.2 4.5 6.5 6.7

1901-1910)
1891-1900) 7.1 7.9 11.1

189-1900) 10.2 5.6 10.2

1881-1890)9.6
187-11880)' 14.3 9.0 17.2
1871-1880),
1861-1870) 7.0 7


not available.


Source: Computed from data in Tables 15, 16, and 17.
aSteel goes to 1871-1880 only; comparable data for 1861-1870 are