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| Commodity | 2005 | 2007 | 2008 |
| Pressure-reducing valves for pipes/boiler shells/tanks/vats or the like | $2,498,218 | $4,951,042 | $5,447,400 |
| Valves for oleohydraulic/pneumatic transmissions for pipes/boiler shells/ta ... | $445,535 | $2,496,555 | $1,882,739 |
| Check (nonreturn) valves for pipes/boiler shells/tanks/vats or the like | $3,759,876 | $3,844,019 | $6,057,301 |
| Safety/relief valves for pipes/boiler shells/tanks/vats or the like | $4,810,369 | $8,443,116 | $12,240,185 |
| Taps, cocks, valves & sim. appls. for pipes/boiler shells/tanks/vats or the ... | $30,865,781 | $47,775,925 | $64,697,762 |
| Parts of the appls. of 84.81 | $10,463,512 | $12,586,256 | $18,369,146 |
| Total | $52,843,291 | $80,096,913 | $108,694,533 |
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