I just looked at the current USGS Gold Mineral Industry Survey, and I have to say April, 2012 saw the most gold leave the shores of the U.S. compared to the previous months.
U.S. GOLD EXPORTS INCREASE 137% JAN-APR 2012
Of course we know that these figures are only the tip of the iceberg (according to the London Trader). But, these figures at least give us an idea of just how much gold is heading to China and Switzerland. In just the first two months of 2012, the U.S. gold exports surpassed the total for the first 4 months of 2011.
The U.S. has exported 141 metric tonnes more gold than they did in the same period last year (a 137% increase yoy). The two biggest importers were Switzerland and Hong Kong.
I would imagine as the financial situation in Europe and the United States worsens, these gold exports are only going to continue to increase at a greater clip.