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

Prime Guard Power Blast Gallon +20 Blue Windshield Washer Fluid, no mixing required. Easily removes road grime, film and bugs. Online purchases are in

Prime Guard Power Blast +20 Windshield Washer Fluid 1 Gal. (Pack of 6)

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RUDSON Windshield Washer Fluid - AMC

Maintain a clear and unobstructed view while driving with the UCS 2-in-1 Windshield Washer Fluid. Our high-quality washer fluid is designed to not

UCS 10015 2-In-1 Windshield Washer Fluid Methanol Free Streak Free 1 Gallon

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

DOKIKO 100 Pcs Car Windshield Washer Fluid concentrate Tablets,105

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