Has it gone down to 10% thanks to maniacally ultra-sterilized foodstuff, quadruple dipped and wrapped in PFAS, or gone up from somewhere to 10% over the course

Has it gone down to 10% thanks to maniacally ultra-sterilized foodstuff, quadruple dipped and wrapped in PFAS, or gone up from somewhere to 10% over the course of the last century? No way the latter is the case.