The rate was up 0.1 percentage point from the previous year’s figure. That is the highest increase since President Joko Widodo was inaugurated in 2014.
Sales of cars and motorbikes rose year-on-year.
Officials also attribute the expansion to a series of large-scale events held in the country, including the Asian Games.
President Joko has been pushing his administration to develop infrastructure and attract foreign investment.
He is expected to stress his economic record when he aims for reelection in the presidential poll planned for April.