BEIJING, April 17 (Xinhua) -- China's economy grew 6.4 percent year on year in the first quarter of 2019, on par with the fourth quarter last year, data from the National Bureau of Statistics (NBS) showed Wednesday.

The country's gross domestic product hit 21.34 trillion yuan (about 3.18 trillion U.S. dollars) in the first three months. The following are main facts and figures released by the NBS on its solid economic performance during the period.

-- Industrial output expanded 6.5 percent year on year in the first quater, picking up from the 5.3-percent growth in the January-February period.

-- The service sector ticked up 7.4 percent year on year in the first quarter, accelerating 0.1 percentage points than the first two months.

-- Retail sales of consumer goods reached 9.78 trillion yuan, up 8.3 percent year on year in the January-March period, quickening from the 8.2-percent rise seen in the first two months.

-- Fixed-asset investment stood at 10.19 trillion yuan, up 6.3 percent year on year in the first quarter, 0.2 percentage points faster than the first two months.

-- Real estate investment increased 11.8 percent year on year in the January-March period, faster than the 11.6 percent expansion recorded in the first two months.

-- Import and export volume hit 7 trillion yuan in the first quarter, up 3.7 percent year-on-year, 3 percentage points faster than the growth in the first two months.

-- Per capita disposable income stood at 8,493 yuan in the first three months, up 6.8 percent year on year in real terms. The growth rate was 0.2 percentage points higher than the same period last year.

-- Consumption, which has played a prominent role in driving growth, contributed 65.1 percent of the GDP in the first quarter.