| Year | Rate of duty | Quantity | Value | Unit value | Computed ad valorem rate | |
|---|---|---|---|---|---|---|
| Pounds | Percent | |||||
| 19101 | Free | 4,507,693 | $275,600 | $0.061 | ||
| 19111 | do | 4,371,014 | 265,780 | .061 | ||
| 19121 | do | 5,686,704 | 521,457 | .092 | ||
| 19131 | do | 8,345,631 | 688,771 | .083 | ||
| 19141 | do | 8,393,216 | 531,535 | .063 | ||
| 19151 | do | 3,106,445 | 179,685 | .058 | ||
| 19161 | (2) | 2,246,256 | 154,841 | .069 | ||
| 19171 | 15 percent + 2½ cents per pound | 265,519 | 17,168 | .065 | 53.7 | |
| 1918 | do | 283,337 | 62,497 | .221 | 26.3 | |
| 1919 | do | 2,061 | 264 | .128 | 34.5 | |
| 1920 | do | 1,040 | 244 | .235 | 25.8 | |
| 1921 | do | 250 | 142 | .568 | 19.4 | |
| 1922 | (3) | { | 280,224 | 30,414 | .109 | 38.0 |
| { | 69,310 | 16,102 | .230 | 85.1 | ||
| 1923 | 55 percent + 7 cents per pound4 | 126,618 | 21,389 | .169 | 96.4 | |
| 1924 | (5) | 176,081 | 46,786 | .266 | 81.4 | |
| 1925 | 40 percent + 7 cents per pound4 | 256,126 | 58,958 | .230 | 70.4 | |
| 1926 | do | 218,437 | 47,351 | .217 | 72.3 | |
| 1927 | (6) | 500 | 100 | .200 | 75.0 | |
| 1928 | 20 percent + 3½ cents per pound4 | 1,653 | 298 | .180 | 39.4 | |
| 1929 | do | 433,385 | 44,226 | .102 | 54.3 | |
| 1930 | do | 500 | 115 | .230 | 39.4 | |
| 1931 | do | 2,365 | 639 | .270 | 33.0 | |
| 1932 | do | None | ||||
| 1933 | do | 3,440 | 641 | .186 | 38.8 | |
| 1934 | do | None | ||||
| 1935 | do | 2,605 | 211 | .081 | 63.0 | |
| 1936 | do | 71,429 | 8,302 | .116 | 50.1 | |
| 19377 | do | 32,238 | 3,767 | .117 | 50.0 | |
1 Fiscal year.
2 15 percent ad valorem and 2½ cents per pound effective Sept. 9, 1916.
3 55 percent ad valorem and 7 cents per pound, effective Sept. 22, 1922.
4 Ad valorem based on American selling price or United States value under acts of 1922 and 1930.
5 Ad valorem reduced to 40 percent effective Sept. 22, 1924.
6 Duty reduced to 20 percent ad valorem and 3½ cents per pound effective Nov. 30, 1927.
7 Preliminary.
Source: Foreign Commerce and Navigation of the United States.
Table 63.—All distillates of tar yielding below 190° C. an amount of tar acids equal to or more than 5 percent: United States imports for consumption, 1918-37