According to the statistics from Central Bank of the Republic of Korea, the volume of exports fell by 5.4%, while imports fell by 4.1% in the fourth quarter of 2017. The government spending rose by 0.5%, personal consumption grew by 1%, and construction investment and infrastructure investment fell by 3.8% and 0.6% respectively. Exports contributed most to ROK's economy, with exports falling by the biggest drop since 1985 in the fourth quarter of 2017, GDP contracted by 0.2% in the fourth quarter. In addition to the export impact, the high base effect of ROK's rapid economic growth in the third quarter, as well as the number of holidays in the fourth quarter and the reduction of working days all have had a negative impact on economic growth in the fourth quarter. In 2017, ROK's auto and semiconductor exports are all at record high levels. ROK's real GDP grew by 3.1% in 2017, up from 2.8% in the previous two years.