Table 3.--Portland cement and clinker annual capacity
                and capacity utilization in the United States1/
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                              Capacity2/                    Capacity3/
           ------------------------------------   ---------------------------
  Year                 Finish           Percent     Clinker           Percent
                     grinding          utilized     (million         utilized
              (million metric tons)                 metric tons)
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  1970-----                NA                NA          NA                NA
  1971-----                NA                NA          NA                NA
  1972-----                NA                NA      72.268              90.3
  1973-----            93.232              83.3      80.872              93.5
  1974-----            98.775              74.8      84.618              85.6
  1975-----            98.773              62.8      86.101              69.6
  1976-----            96.989              68.1      79.469              80.0
  1977-----            95.867              73.5      81.767              81.4
  1978-----            93.968              77.5      70.158              84.5
  1979-----            98.279              77.1      70.853              84.6
  1980-----            98.984              68.9      85.471              75.6
  1981-----            95.437              66.7      82.861              74.2
  1982-----            96.390              58.4      80.523              67.9
  1983-----            96.834              64.1      81.405              71.9
  1984-----            95.996              71.1      83.716              75.2
  1985-----            94.794              72.4      80.544              75.8
  1986-----            94.798              73.1      80.481              78.5
  1987-----            93.918              73.3      80.886              78.4
  1988-----            91.435              74.1      78.327              81.6
  1989-----            90.919              75.1      77.351              82.7
  1990-----            89.745              76.2      75.207              85.6
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    NA  Not available.
    1/Includes Puerto Rico.
    2/Grinding capacity based on fineness necessary to grind Types I and II cement,
  making allowance for downtime required for maintenance.
    3/Calculated on individual company data: 365 days minus average days required
  for maintenance times 24-hour capacity.