Commodity2005200620072008
Prepared pigments, prepd. opacifiers, prepd. colours & sim. preps.$361$273 $1,495
Vitrifiable enamels & glazes, engobes (slips) & sim. preps. $164$52 
Liquid lustres & sim. preps.$426 $32$798
Glass frit & oth. glass, in the form of powder/granules/flakes$6$664$4,117$1,281
Total$793$1,101$4,201$3,574