SINGAPORE, Aug. 20 (Xinhua) -- Singapore's domestic wholesale trade grew by 10.3 percent year on year in the second quarter of 2018, contributed by higher sales of petroleum and petroleum products, the Department of Statistics of Singapore announced on Monday.

The domestic wholesale trade grew by 2.4 percent quarter on quarter on a seasonally adjusted basis in this quarter.

The authority said excluding petroleum, the wholesale trade of these three months declined by 0.4 percent year on year but grew by 5.4 percent quarter on quarter.

Meanwhile, Singapore's foreign wholesale trade increased by 16.3 percent year on year, thanks to significant growth in sales of petroleum and petroleum products. On a seasonally adjusted quarter-on-quarter basis, the foreign wholesale trade increased by 1.6 percent.?