How much methanol is in windshield washer fluid?

I have seen many people list a wide variety of numbers on what the percentage of methanol is in the blue juice (washer fluid). I searched just about every company out there, and found out that regardless of the brand, the methanol percentage was consistent for whatever the temperature range was

Splash Original Blue Wind shield Washer Fluid

Methanol Injection 101

1.Efficient removal dust from your windshield. You can also use it to clean mirrors and any other surfaces that need to be cleaned, for all glass,

DOKIKO 50 Pcs Car Windshield Washer Fluid concentrate Tablets,Windshield Wiper Fluid,1 Pack Makes 52.5 Gallons,1 Piece Makes 1.05 Gallons(Winter: Use

Get your windshield washer fluid here : r/Rivian

Is it Okay to Mix Windshield Washer Fluid? Yes, No, and Why! — Daily Motorist

Antifreeze windshield spray – Best Screenwash

GC® Windshield Washer Fluid Concentrate 32 FL OZ

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Best windshield washer fluid – Best Screenwash