In Slovenia, industrial production measures the output of businesses integrated in industrial sector of the economy. Manufacturing is the most important sector and accounts for 90 percent of total production. The biggest segments within Manufacturing are: Fabricated metal products, except machinery and equipment (12 percent of total production); electrical equipment (10 percent); motor vehicles, trailers and semi-trailers (7 percent); rubber and plastic products (7 percent); machinery and equipment (6 percent); food products (5 percent); and basic metals (5 percent). Electricity, gas, steam and air conditioning supply account for 9 percent of total output and mining and quarrying account for 1 percent.