Commodity2005200620072008200920102011
Pencils & crayons, with leads encased in a rigid sheath (excl. pencils of 9 ... $13$30$22$162$33$15
Pencil leads, black/coloured  $1$44$5  
Crayons (excl. those with leads encased in a rigid sheth), pastels, drawing ...$45$717$1  $10 
Total$45$730$32$66$167$43$15