| Commodity | Item | Mar. 2008 | Apr. 2008 | R.P. | R.S. |
| Aluminum alloy ingots | (Ｐ) | 31,796 | 29,127 | - 8.4 | - 5.5 |
| (Ｓ) | 31,062 | 29,369 | - 5.5 | - 4.8 | |
| (Ｉ) | 15,947 | 15,654 | - 1.8 | - 7.6 | |
| Secondary aluminum alloy ingots | (Ｐ) | 112,859 | 103,538 | - 8.3 | - 1.5 |
| (Ｓ) | 106,547 | 98,717 | - 7.3 | - 1.4 | |
| (Ｉ) | 41,623 | 43,041 | 3.4 | 6.3 | |
| Aluminum mill products (Flat rolled products) | (Ｐ) | 119,180 | 118,886 | - 0.2 | 1.0 |
| (Ｓ) | 114,156 | 118,141 | 3.5 | 5.6 | |
| (Ｉ) | 72,455 | 67,924 | - 6.3 | 1.3 | |
| Aluminum mill products (Extruded products) | (Ｐ) | 74,362 | 75,797 | 1.9 | - 5.1 |
| (Ｓ) | 38,639 | 37,996 | - 1.7 | - 0.7 | |
| (Ｉ) | 10,365 | 10,855 | 4.7 | - 19.6 | |
| Aluminum foils | (Ｐ) | 11,361 | 11,520 | 1.4 | - 3.7 |
| (Ｓ) | 11,100 | 11,419 | 2.9 | - 4.1 | |
| (Ｉ) | 6,588 | 6,603 | 0.2 | - 4.7 | |
| Aluminum wires | (Ｐ) | 4,863 | 3,842 | - 21.0 | 31.8 |
| (Ｓ) | 4,046 | 3,304 | - 18.3 | 38.5 | |
| (Ｉ) | 1,181 | 1,309 | 10.8 | 29.3 | |
| Aluminum alloy castings | (Ｐ) | 38,471 | 35,514 | - 7.7 | 2.7 |
| (Ｓ) | - | - | - | - | |
| (Ｉ) | - | - | - | - | |
| Aluminum alloy die castings | (Ｐ) | 99,863 | 92,036 | - 7.8 | 0.8 |
| (Ｓ) | - | - | - | - | |
| (Ｉ) | - | - | - | - | |
| Industrial aluminum products | (Ｐ) | 1,835 | 1,414 | - 23.0 | 5.4 |
| (Ｓ) | 1,776 | 1,487 | - 16.3 | 13.2 | |
| (Ｉ) | 489 | 453 | - 7.3 | 5.4 | |
| Aluminum cans for beverages | (Ｐ) | 27,063 | 31,140 | 15.1 | - 1.3 |
| (Ｓ) | 23,633 | 29,675 | 25.6 | 2.1 | |
| (Ｉ) | 29,781 | 30,183 | 1.3 | - 2.0 |
(Remarks) P: Production, S: Producer's Shipments, I: Producer's Inventory
R.P: Ratio to the previous month
R.S: Ratio to the same month of the previous year
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