What is the total production of Polyethylene in the world?

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Clarification of Question by uteng-ga on 26 Apr 2004 11:46 PDT

I meant, what is the total production of polymers in the world.

In the U.S.:
Low Density Polyethylene (LDPE):  >9 billion pounds in 1991
High Density Polyethylene (HDPE):  >8 billion pounds in 1991
(George Odian, "Principles of Polymerization", 3rd Edition; John Wiley
and Sons, Inc., New York:  1991)

I don't have data for global production.  For all polymers (not just
polyethylene), I'm not sure the answer is attainable, since how a
given market researcher defines "polymer" would be somewhat vague. 
Would you include natural polymers (proteins, etc.)? Textiles (nylon,
polyester)? Consumer goods that become a polymer when used (adhesives,
some coatings)?

I'm interested in the total production of synthetic polymers...
discarding consumer goods that become polymers as well as the natural
ones.