12-1BASICSTATISTICSFORENTERPRISESINTHECONSTRUCTIONINDUSTRY(1978-2014)YearConstructionEmployedGrossOutputMainBusinessTotalEnterprisesPersonsValueIncomeProfits(year-end)(100(100(100(unit)(10000persons)millionyuan)millionyuan)millionyuan)19786425.410.50.719797026.412.70.919807127.814.71.519817127.014.51.619829130.717.31.7198311637....