Commodity2005200620072008
Vermiculite, perlite & chlorites, unexpanded$33$1,054 $74
Kieserite, epsomite (nat. magnesium sulphates)$402 $88 
Mineral subs., n.e.s. in Ch.25$2,215$525$119$2,136
Total$2,650$1,579$207$2,210