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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pressure-reducing valves for pipes/boiler shells/tanks/vats or the like | $24,950 | $21,260 | $8,600 | $53,871 | $3,659 | $26,000 |
| Valves for oleohydraulic/pneumatic transmissions for pipes/boiler shells/ta ... | $45,000 | | $7,165 | $250 | | |
| Check (nonreturn) valves for pipes/boiler shells/tanks/vats or the like | $200 | $2,500 | | | | |
| Safety/relief valves for pipes/boiler shells/tanks/vats or the like | $155,429 | $26,888 | $32,314 | $32,185 | $71,617 | $144,942 |
| Taps, cocks, valves & sim. appls. for pipes/boiler shells/tanks/vats or the ... | $17,357 | $1,356 | $625 | $52,403 | $7,364 | $2,000 |
| Parts of the appls. of 84.81 | $31,430 | $250,000 | $50,069 | $4,302 | $600 | $280 |
| Total | $274,366 | $302,004 | $98,773 | $143,011 | $83,240 | $173,222 |
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