History of Balance of trade

	Revision 6 . . December 14, 2001 5:27 pm by Chenyu
	Revision 5 . . December 14, 2001 5:21 pm by Chenyu
	Revision 4 . . December 14, 2001 5:21 pm by Chenyu
	Revision 3 . . (edit) December 14, 2001 1:13 pm by WojPob [use bullte links plz!!!!]
	Revision 2 . . December 14, 2001 1:11 pm by WojPob [primary sector]
	Revision 1 . . December 14, 2001 11:54 am by (logged).200.130.xxx

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