BEIJING, Jan. 22 (Xinhua) -- China's top economic planner approved 189 fixed-asset investment projects in 2018, official data showed Tuesday.

The projects were primarily in high-tech, energy, transportation and water conservancy sectors, Meng Wei, spokesperson of the National Development and Reform Commission, told a press conference.

China's fixed-asset investment grew 5.9 percent year on year in 2018, 0.5 percentage point faster than that recorded in the first three quarters, according to the National Bureau of Statistics (NBS).

The fixed-asset investment amounted to 63.56 trillion yuan (9.38 trillion U.S. dollars) last year, according to the NBS.

Fixed-asset investment includes capital spent on infrastructure, property, machinery and other physical assets.