BEIJING: China kept its annual economic growth rate in 2014 unchanged at 7.3 per cent in its final verification of the data though it revised down the value of gross domestic product (GDP) slightly, the National Bureau of Statistics (NBS) said on Thursday. The final revised GDP stood at 63.591 trillion yuan ($9.65 trillion) in 2014, down 22.9 billion yuan from the previous estimate, as they revised down the size of the services sector. The reports annual GDP figures in three stages: a preliminary calculation and second and final revisions. China is set to release 2015 full-year GDP data on January 19.