U.S. Isobutane-Isobutylene Field Production (Thousand Barrels)



Energy Glossary

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Monthly

Annual

U.S. Isobutane-Isobutylene Field Production (Thousand Barrels)

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1981	3,698	3,198	3,482	3,672	3,721	3,648	3,703	3,651	3,537	3,581	3,497	3,158
1982	3,350	2,882	3,386	3,106	3,507	3,415	3,285	3,511	3,483	3,418	3,181	3,253
1983	3,112	2,761	3,060	3,217	2,960	2,996	3,094	2,856	2,933	3,108	3,228	3,065
1984	2,874	2,855	3,019	3,022	3,104	3,002	3,071	3,171	2,998	3,088	2,945	3,119

1985	3,297	3,059	3,874	4,025	4,248	4,095	4,258	3,397	3,781	4,197	4,303	3,936
1986	3,598	3,519	3,790	3,779	4,135	3,777	4,333	4,036	3,842	4,079	4,182	3,552
1987	3,774	3,357	3,829	4,378	4,472	4,471	4,608	4,591	4,548	4,710	4,234	4,430
1988	4,539	4,116	4,514	4,318	4,500	4,365	4,569	4,558	4,409	4,395	4,239	4,025
1989	4,364	4,333	4,875	4,819	4,986	4,525	4,482	4,719	4,232	4,697	4,513	3,928

1990	4,042	4,550	4,894	4,624	4,956	4,814	5,040	4,948	4,667	4,833	3,940	3,933
1991	4,335	4,452	4,722	4,886	5,628	5,259	5,572	5,638	5,417	5,596	4,815	5,191
1992	5,439	5,211	5,642	5,136	5,678	5,437	5,724	5,956	6,309	6,363	6,217	5,948
1993	5,301	4,850	6,013	6,384	6,941	6,665	6,061	5,955	5,821	5,527	5,095	5,444
1994	6,044	5,727	5,991	5,591	5,958	6,061	6,583	7,029	6,432	5,142	5,459	5,299

1995	5,848	4,652	5,122	6,382	6,665	5,851	5,827	5,274	5,659	5,705	5,418	5,152
1996	5,578	5,079	6,054	6,256	6,474	6,481	6,325	6,241	5,645	5,696	5,509	4,869
1997	5,002	5,054	6,072	6,498	5,888	6,042	5,970	5,873	5,730	6,002	5,389	6,141
1998	5,503	5,096	5,481	5,652	5,387	5,805	5,584	5,658	5,376	5,793	5,556	5,288
1999	5,276	5,331	5,785	5,795	5,959	5,802	5,987	5,783	5,624	5,871	5,458	5,607

2000	5,618	5,620	5,796	5,534	6,009	6,240	6,282	5,983	5,672	5,750	5,425	5,020
2001	4,588	5,033	5,903	5,985	6,883	6,274	6,384	6,502	6,208	6,494	6,092	6,090
2002	5,810	5,443	6,017	5,971	6,339	5,932	6,065	6,903	5,842	6,525	6,593	6,019
2003	5,862	5,375	5,884	6,252	5,748	4,944	5,598	5,783	5,737	5,471	5,099	5,221
2004	5,053	4,952	5,633	5,459	5,443	4,966	5,451	5,231	4,757	4,883	4,955	4,705

2005	4,613	4,272	4,715	4,813	5,721	5,368	6,300	6,052	4,694	5,283	4,806	4,865
2006	4,779	4,545	5,484	5,013	5,331	5,001	5,043	5,172	4,990	4,819	4,819	4,361
2007	4,958	5,154	5,422	5,606	5,674	5,165	5,425	5,324	5,766	5,309	4,997	5,343
2008	5,594	5,140	6,104	5,222

Updated on 6/26/2008

Source: U.S. Energy Information Administration