The energy index increased in December. The gasoline index rose sharply and accounted for about 80 percent of the all items seasonally adjusted increase. The household energy index, which declined in November, increased as well. The food index increased slightly in December, with the fruits and vegetables index rising notably.
The index for all items less food and energy also rose in December.An increase in the shelter index accounted for about 60 percent of the ris and the indexes for airline fares, medical care and apparel rose as well. These increases more than offset declines in the indexes for communication, recreation, and household furnishings and operations.
The rate of increase in the CPI slowed in 2010 as the December to December increase fell from 2.7 percent in 2009 to 1.5 percent in 2010. A deceleration in the gasoline index accounted for much of the slowdown, as it increased 13.8 percent in 2010 after rising 53.5 percent in 2009. The index for household energy, which declined in 2009, rose 0.8 percent in 2010 as increases in the indexes for fuel oil and electricity more than offset a decline in the natural gas index. The energy index as a whole, which rose 18.2 percent in 2009, increased 7.7 percent in 2010.