Nowadays no first-world country is capable of being fully self-sustaining without suffering immensely - especially the US, which relies heavily on cheap energy with large amounts being imported.
Denmark 4
France 46
Germany 62
Italy 77
Netherlands 10
Spain 71
Sweden 29
Japan 94
Korea 83
US 15
Canada -73
Mexico -19http://www.eia.gov/dnav/pet/pet_move_wkly_dc_nus-z00_mbblpd_...