Commodity200620072008200920102011
Sheet piling of iron/steel, whether or not drilled/punched/made from assemb ... $19,061 $16,802$49,259$260,580
Welded angles, shapes & sections of iron/steel$4,663$1,646$46,129$101,136$94,704$69,592
Total$4,663$20,707$46,129$117,938$143,963$330,172