U.S. gas distribution system spending 1975-2017
Since 1975, expenditures in the gas distribution system in the United States have grown steadily, from some 910 million U.S. dollars, to around 5.67 billion U.S. dollars in 2010. However, in 2015, these expenditures doubled compared to the 2010 values, reaching 11.6 billion U.S. dollars, and continued growing to 14.88 billion U.S. dollars in 2017.