The National Bureau of Statistics said on Saturday that the Chinese economic growth has increased in the first three months of 2011. In a statement on its website, the bureau said that the GDP of the country saw an increase of 9.7% year on year and increase in the value of primary industry by 3.5%. The statement said, \"According to the preliminary estimation, the gross domestic product (GDP) of China in the first quarter of this year was 9,631.1 billion Yuan, a year-on-year increase of 9.7 percent. The value added of the primary industry was 598.0 billion Yuan, up by 3.5 percent; that of the secondary industry was 4,678.8 billion Yuan, up by 11.1 percent; and that of the tertiary industry was 4,354.3 billion Yuan, up by 9.1 percent. In the first quarter of 2011, the gross domestic product went up by 2.1 percent on quarterly bases.\"