Right O K yeah  that's the other major erm  feature is that agriculture's share of world trade  has declined and manufacturing  er  share of world trade has increased and I've got some er  some numbers here   erm  so it says  before the first world war agriculture's share of world trade was over fifty percent, today it is less than fourteen percent   okay, so agriculture's share in world trade is declining and has been declining er essentially over the  the last sort of seventy years or so.