On a seasonally adjusted basis the December CPI-U for all items was unchanged over the month. The index increased 1.7 percent from December 2011, not seasonally adjusted. Despite the overall lack of change, the index for Energy decreased 1.2 percent over the month, much less than last month's 4.1 percent decline, but the 12-month change is still an increase of 0.5 percent. Food increased 0.2 percent over the month, consistent with the last several months and contributing to an over-the-year 1.8 percent increase. The index for All Items less Food and Energy was up 0.1 percent over the month, in line with the last several months of increases of 0.1 or 0.2 percent, and up 1.9 percent over the year.