The gross domestic product (GDP) was 2.5 percent higher in the second quarter of 2017 compared to the previous quarter; in a year-on-year comparison Q2 2017 increased by 4.7 percent over Q2 2016, according to refined estimates by the Czech Statistical Office (ČSÚ). This is higher than the previously released preliminary estimate, which had the increases at 2.3 percent quarter on quarter and 4.5 percent year-on-year. The refined estimate confirmed that the fast growth seen in Q1 2017 had continued.