Seasonally adjusted, the economy grew by 0.3% compared with the fourth quarter of 2004.
Market expectations were for first quarter GDP growth of 2.4% year-on-year and 0.5% from the fourth quarter, according to a survey by SME Direkt.
Total final consumption expenditure by households increased by 0.5% in the first quarter compared with a year earlier, while total final consumption expenditures by general government fell 1.2%, SCB reported.
Gross fixed capital formation rose 7.0% year-on-year, which contributed 1 percentage points to the GDP growth, while exports were up 2.7% and imports up 3.9%.
(AFP)