BEIJING -- China's fixed asset investment rose 20.7 percent year on year to 32.62 trillion yuan ($5.18 trillion) in the first 11 months of 2012, the National Bureau of Statistics (NBS) said Sunday.

The growth rate stood unchanged from that of the first ten months, according to a statement on the website of the NBS.

On a month-on-month basis, fixed-asset investment rose 1.26 percent in November, the statement said.

During the first 11 months, investment in the primary industry amounted to 815.3 billion yuan, up 30.5 percent. Investment in the secondary industry totaled 14.3 trillion yuan, up 21.1 percent, while investment in the tertiary industry witnessed a 20.4-percent rise to hit 17.51 trillion yuan.

Investment in central China grew 26.2 percent, marking the fastest growth in the January-November period, followed by 24.2 percent in the west and 18 percent in the east.

Investment in property development climbed 16.7 percent to 6.48 trillion yuan during the period. Investment in residential property gained 11.9 percent to 4.46 trillion yuan, accounting for 68.9 percent of total property investment.

The NBS data also show that in the first 11 months, China sold 917.05 million square meters of commercial housing, up 2.4 percent year on year.