The Tibet autonomous region has achieved an estimated GDP of more than 17.23 billion yuan ($2.77 billion) in the first quarter, up 9.2 percent year-on-year, the regional government said.

Of the total GDP, the added value of primary industries was 1.23 billion yuan, increasing 2.4 percent; the value of secondary industries was 2.16 billion yuan, an increase of 14.7 percent; and its tertiary-industries value was 13.85 billion yuan, up 9 percent.

The region has put a great effort into its infrastructure construction, with the latest State-approved projects increasing to 236. The total planned project investment during the period of 2011 to 2015 was 221.7 billion yuan, it said.

In the first three months, the region has achieved a cumulated fixed asset investment of nearly 5.5 billion yuan, an increase of 23.4 percent. The total retail sales volume of social consumables was nearly 7.3 billion yuan, an increase of 12.4 percent.

Tibet witnessed stable economic development last year, as regional GDP topped 80 billion yuan in 2013, according to the region’s statistics bureau.

The per capita income of urban residents reached 22,561 yuan, and the average per capita disposable income was 20,023 yuan in 2013.