{"pre_text": ["system and to use that system to conduct its electric delivery business and for other purposes that the franchises permit .", "the terms of the franchises , with various expiration dates , typically range from 30 to 50 years .", "natural gas distribution cerc corp . 2019s natural gas distribution business ( gas operations ) engages in regulated intrastate natural gas sales to , and natural gas transportation for , approximately 3.3 million residential , commercial and industrial customers in arkansas , louisiana , minnesota , mississippi , oklahoma and texas .", "the largest metropolitan areas served in each state by gas operations are houston , texas ; minneapolis , minnesota ; little rock , arkansas ; shreveport , louisiana ; biloxi , mississippi ; and lawton , oklahoma .", "in 2010 , approximately 42% ( 42 % ) of gas operations 2019 total throughput was to residential customers and approximately 58% ( 58 % ) was to commercial and industrial customers .", "the table below reflects the number of natural gas distribution customers by state as of december 31 , 2010 : residential commercial/ industrial total customers ."], "post_text": ["gas operations also provides unregulated services consisting of heating , ventilating and air conditioning ( hvac ) equipment and appliance repair , and sales of hvac , hearth and water heating equipment in minnesota .", "the demand for intrastate natural gas sales to residential customers and natural gas sales and transportation for commercial and industrial customers is seasonal .", "in 2010 , approximately 71% ( 71 % ) of the total throughput of gas operations 2019 business occurred in the first and fourth quarters .", "these patterns reflect the higher demand for natural gas for heating purposes during those periods .", "supply and transportation .", "in 2010 , gas operations purchased virtually all of its natural gas supply pursuant to contracts with remaining terms varying from a few months to four years .", "major suppliers in 2010 included bp canada energy marketing corp .", "( 25.6% ( 25.6 % ) of supply volumes ) , conocophillips company ( 8.3% ( 8.3 % ) ) , tenaska marketing ventures ( 6.8% ( 6.8 % ) ) , kinder morgan ( 6.3% ( 6.3 % ) ) , oneok energy marketing company ( 4.7% ( 4.7 % ) ) , and cargill , inc .", "( 4.6% ( 4.6 % ) ) .", "numerous other suppliers provided the remaining 43.7% ( 43.7 % ) of gas operations 2019 natural gas supply requirements .", "gas operations transports its natural gas supplies through various intrastate and interstate pipelines , including those owned by our other subsidiaries , under contracts with remaining terms , including extensions , varying from one to twelve years .", "gas operations anticipates that these gas supply and transportation contracts will be renewed or replaced prior to their expiration .", "gas operations actively engages in commodity price stabilization pursuant to annual gas supply plans presented to and/or filed with each of its state regulatory authorities .", "these price stabilization activities include use of storage gas , contractually establishing fixed prices with our physical gas suppliers and utilizing financial derivative instruments to achieve a variety of pricing structures ( e.g. , fixed price , costless collars and caps ) .", "its gas supply plans generally call for 25-50% ( 25-50 % ) of winter supplies to be hedged in some fashion .", "generally , the regulations of the states in which gas operations operates allow it to pass through changes in the cost of natural gas , including gains and losses on financial derivatives associated with the index-priced physical supply , to its customers under purchased gas adjustment provisions in its tariffs .", "depending upon the jurisdiction , the purchased gas adjustment factors are updated periodically , ranging from monthly to semi-annually , using estimated gas costs .", "the changes in the cost of gas billed to customers are subject to review by the applicable regulatory bodies. ."], "table": [["", "residential", "commercial/industrial", "total customers"], ["arkansas", "390668", "48033", "438701"], ["louisiana", "232135", "17347", "249482"], ["minnesota", "738868", "67489", "806357"], ["mississippi", "109608", "12683", "122291"], ["oklahoma", "93388", "10620", "104008"], ["texas", "1451666", "90719", "1542385"], ["total gas operations", "3016333", "246891", "3263224"]], "table_ori": [["", "Residential", "Commercial/Industrial", "Total Customers"], ["Arkansas", "390,668", "48,033", "438,701"], ["Louisiana", "232,135", "17,347", "249,482"], ["Minnesota", "738,868", "67,489", "806,357"], ["Mississippi", "109,608", "12,683", "122,291"], ["Oklahoma", "93,388", "10,620", "104,008"], ["Texas", "1,451,666", "90,719", "1,542,385"], ["Total Gas Operations", "3,016,333", "246,891", "3,263,224"]]}

Question: considering the state of minnesota , what is the percentage of commercial/industrial customers concerning the total customers?
Evidence:
table_3: the minnesota of residential is 738868 ; the minnesota of commercial/industrial is 67489 ; the minnesota of total customers is 806357 ;
Program: divide(67489, 806357)
Answer:
str_answer: 8.36%
exe_answer: 0.0837