Year
Paper and Allied Products
Chemical and Allied Products
Petroleum and Coal Products
Primary Metal Industries
All Manufacturing
1954
2.4
1.6
3.3
1.3
1.8
1964
2.7
2.0
4.4
1.5
2.1
1973
3.4
6.4
2.9
1978
5.3
7.0
1.9
1985
6.6
13.2
18.3
6.0
8.6
2000 (est.)
11.8
28.0
32.7
12.3
17.1