the natural gas industry and markets in 2004 energy information administration office of oil february 2006 1 this special report provides an overview supply disposition is intended as a supplement to s eia annual nga unless otherwise stated all data figures are based on summary statistics published monthly december 2005 questions or comments content should be directed jose villar at doe gov 202 586 9613 experienced sustained high prices driven part by pressure supplies from lack production growth infrastructure damage wrought hurricane ivan increased demand for industrial electric generation sectors further exacerbated tight market national average wellhead price was 5 46 per thousand cubic feet mcf highest constant dollars least 50 years imports responded