Table 12.  Annual Shipments of Solar Thermal Collectors, 1986-1994
 

              Number of    Collector Shipments (Thousand Square Feet)[a]
 Year         Companies         Total        Imports       Exports

1986............  98            9,360           473           224
1987............  59            7,269           691           182
1988............  51            8,174           814           158
1989............  44           11,482         1,233           461
1990............  51           11,409         1,562           245
1991............  48            6,574         1,543           332
1992............  45            7,086         1,650           316
1993............  41            6,968         2,039           411
1994............  41            7,627         1,815           405

   [a]Includes imputation of shipment data to account for nonrespondents.
   Note: Total shipments as reported by respondents include all domestic
and export shipments and may include imported collectors that subsequently
were shipped to domestic or foreign customers. 
   Source: Energy Information Administration, Form CE-63A, "Annual Solar 
Thermal Collector Manufacturers Survey."