There could be less carpet but one method to lot more area rugs to cover them.
You where possible raise a large part of the rug and kick the underside side, each time a cloud of dust flies off, you already know it's time. Not refering to the advantages of choosing your cleaners. https://gmcguire.digital.uic.edu/mediawiki/index.php?title=Carpet_Cleaning_Guide:_Removing_Mango_Juice_Stains_Easily