Commodity200520062007200820092010
Sodium$6$335$5,535$499$7,914$295,016
Alkali/alkaline-earth metals other than sodium & calcium$27,552$10,692$1,567$62$13,660$4,231
Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ...$4$5,361$2,456 $18,262 
Mercury$7,547$204,791$253,396$113,960$412,805$313,890
Total$35,109$221,179$262,954$114,521$452,641$613,137