Slovenia’s industrial production dropped 3.3% year-on-year in March, the Ljubljana-based Statistical Office reported on Friday. Driving the contraction, manufacturing production, which constitutes majority of the overall output, fell 5.8% from a year earlier. Meanwhile, output in the mining and quarrying industry advanced 24.4% from March 2012. Production and supply of electricity, gas, steam and air conditioning were higher by 12.2% than a year earlier. Month-on-month, industrial output declined 2.9%. During the quarter ended March, output edged down 0.8% from the same period of 2012. At the same time, turnover in the Slovenian industrial sector fell 5.5% compared to the same month of last year. Sequentially, sales decreased by 1.7%, it said.