How many residents in Taiyuan use gas first class?

2.6 1 yuan per cubic meter. According to the information of Taiyuan local treasure, on July 16, 2023, the price adjustment scheme of residential pipeline natural gas in Taiyuan was: the first sale price was 2.6 1 yuan per cubic meter, the second sale price was 3.06 yuan per cubic meter, and the third sale price was 3.74 yuan per cubic meter. Among them, for non-resident users such as schools and pension welfare institutions, the gas price level is as follows.