As of the end of 2015, the total value of Z-Park listed companies had reached 4.8175 trillion yuan, nearly twice as much as Beijing's GDP in 2015, up 54 percent over the previous year. The domestic listed companies contributed 3.3 trillion yuan, up 80 percent, around 68 percent of the total, and the overseas listed ones accounted for 1.5 trillion yuan, 32 percent, up 17 percent.
