Approximately 31 Mt (or 67%) of the total amount of PET produced in 2007 was used to make polyester fiber...
Notes:
… 12.5 Mt (or 27%) went to plastic bottles, 2 Mt (or 5%) was converted into films and sheets and 0.4 Mt (1%) was used for injection molded products.
Cited in a peer-reviewed journal but cannot track original source.
Primary Source:
Secondary Source:
2007 - https://onlinelibrary.wiley.com/doi/full/10.1002/bbb.1368