In 2022, the producer price index of tires in the United States amounted to 177.6 index points. This represents an increase of more that 20 points compared with the previous year. 1982 was used as the
In 2000, there were 2,124 active coal mines in the United States. By 2022, this amount decreased to 991 active coal mines. Due to a variety of factors, including environmental concerns, the U.S. coal