The monetary base in Japan spiked 11.8 percent on year in December, the Bank of Japan said on Monday, standing at 131.983 trillion yen. That follows the 5.0 percent annual increase in November.
Banknotes in circulation gained 2.8 percent on year, while coins in circulation added 0.5 percent. Current account balances surged 36.5 percent on year, including a 46.4 percent spike in reserve balances.
Seasonally adjusted, the monetary base soared 39.0 percent on year to 129.930 trillion yen.
For the fourth quarter of 2012, the monetary base was up 9.2 percent on year. For all of 2012, the base climbed 7.0 percent.
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