It was found that workers in South Korea's manufacturing sector were more productive than ever last year beating its previous record set seven years ago.<br /> According to the report by the Korea Productivity Center, the nation overall had an hourly labor productivity index last year of over one-hundred-and-four, up 3-point-2 percent on year.<br />The gain was led by the manufacturing sector, which saw its productivity jump by almost 6 percent to the highest level since 2010.<br /> Within manufacturing, medical, precision and optical instrument businesses saw the highest rise in productivity at 23 percent... followed by the transportation equipment sector with nearly 20 percent.<br />The report said overall labor input -- that is, the number of laborers times the number of working hours -- was reduced while added value was increased. <br />