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| Product | 2001 | 2002 | 2003 | 2004 | 2005 |
| Liquefied propane and butane | $8,870,000 | $5,346,000 | $9,305,000 | $17,722,000 | $29,333,000 |
| Natural gas, whether or not liquefied | $97,777,000 | $98,527,000 | $137,814,000 | $132,406,000 | $151,387,000 |
| Petroleum gases and other gaseous hydrocarbons, n.e.s. | $2,645,000 | $4,730,000 | $5,868,000 | $3,790,000 | $2,452,000 |
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