TAIPEI - A total of 116 investment projects from mainland businesses were given the green light in Taiwan in the first 11 months of 2014, a decrease of 10.1 percent year-on-year, the island's economic authority said on Monday.

Statistics show that investment in Taiwan from the mainland reached 328 million U.S. dollars from January to November, down 4.3 percent from the same period of last year.

According to the economic authority, mainland investment focused on retailing, banking and ports, with investment volumes totaling 287 million U.S. dollars, 198 million U.S. dollars, 139 million U.S. dollars respectively.

The total amount of mainland investment in Taiwan hit 1.19 billion U.S. dollars with 599 projects approved by the economic authority since the island opened its door to mainland investors in 2009.

In the meantime, 360 Taiwan investment projects on the mainland were approved by the island in the first 11 months , down 8.63 percent year on year. The investment totaled 8.61 billion U.S. dollars, a 12.8 percent increase from the same period of 2013.