|
Year
|
U.S.
Production
|
Total
Production
|
|
(thousands
of metric tons)
|
(thousands
of metric tons)
|
|
|
1970
|
6,440
|
19,100
|
|
1975
|
6,470
|
23,400
|
|
1980
|
7,510
|
28,300
|
|
1985
|
7,720
|
28,200
|
|
1990
|
9,160
|
32,000
|
|
1995
|
10,100
|
30,300
|
|
2000
|
10,200
|
34,200
|
· Soda ash is also
taken in a surface extraction process using water from the dry Searles and
Owns Lakes in California
Production for the Year 2000 is shown below: