According to Yonhap:
Production at the Kaesong Industrial Complex grew 17.5 percent last year from a year earlier as South Korean firms employed more North Korean workers, which raised output, Seoul’s Unification Ministry said Thursday.
The total output by the 123 South Korean firms operating in the inter-Korean economic project zone is estimated to have reached US$470 million during the one year period, according to data released by the ministry handling inter-Korean affairs.
The total number of North Korean workers employed at the industrial park in the North Korean border city of Kaesong, rose to 53,507 as of the end of 2012, up from 49,866 a year earlier, according to the data.
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Output from Kaesong complex jumps 17.5 pct on-year in 2012