RIYADH: Saudi Arabia’s industrial production index rose by 5 percent year on year in October, driven by robust growth across key economic sectors, official data showed.  According to figures from the General Authority for Statistics, the index also edged up 0.4 percent month on month, reaching 106.9 points.  The mining and quarrying sub-index, which includes oil production, recorded a slight 0.4 percent annual increase, with oil output ticking up to 8.97 million barrels per day from 8.94 million a year earlier.