Trade data are available on a monthly basis. The latest HMRC Overseas Trade Statistics cover November 2009. The figures for salt are shown in the following table.
|2501: Salt including table salt and denatured salt, pure sodium chloride whether or not in aqueous solution, sea water||28,728||15,280|
|25010010: Sea water and salt liquors||504||425|
|25010031: Common salt etc. for chemical transformation (separation of sodium from chlorine) for the manufacture of other products||21||96|
|25010051: Common salt denatured or for industrial uses, other than preservation or preparation of foodstuffs for human or animal consumption||13,275||10,439|
|25010091: Common salt etc., other than for chemical, denatured or industrial uses, salt suitable for human consumption||5,665||2,509|
|25010099: Common salt etc., other than for chemical, denatured or industrial uses, other than salt suitable for human consumption||9,263||1,811|