Which tire has the highest Treadwear (UTQG) in size 215/70R15

It's time to buy new tires for my car, but I want to buy a tire that lasts longer than the original brand, OEM. Which tire has the highest Treadwear in this size 215/70R15?

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780 - Treadwear

 Cooper CS5 Grand Touring - UTQG: 780AA - Tire Rating: 0

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740 - Treadwear

 Goodyear Assurance ComforTred Touring - UTQG: 740AB - Tire Rating: 0

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680 - Treadwear

 Kumho Solus KR21 - UTQG: 680AB - Tire Rating: 4.5

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620 - Treadwear

 Pirelli P3000 - UTQG: 620AA - Tire Rating: 4.23

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600 - Treadwear

 BFGoodrich Advantage T/A Sport - UTQG: 600AA - Tire Rating: 0

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500 - Treadwear

 Yokohama Geolandar A/T-S G012 - UTQG: 500AB - Tire Rating: 4.52

 Toyo Open Country A/T - UTQG: 500AB - Tire Rating: 4.52

 Yokohama Geolandar H/T-S G051 - UTQG: 500AB - Tire Rating: 4.3

 Hankook Dynapro HP RA23 - UTQG: 500AA - Tire Rating: 4.17

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480 - Treadwear

 Bridgestone Ecopia EP422 - UTQG: 480AA - Tire Rating: 0

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440 - Treadwear

 Cooper Cobra Radial G/T - UTQG: 440AB - Tire Rating: 4.43

 Hankook RA07 - UTQG: 440AB - Tire Rating: 4.63

 Cooper Trendsetter SE - UTQG: 440AB - Tire Rating: 0

 Toyo Celsius - UTQG: 440AB - Tire Rating: 0

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400 - Treadwear

 Nexen CP661 - UTQG: 400AA - Tire Rating: 4.05

 Tornel Astral - UTQG: 400AA - Tire Rating: 4.16

 Kumho Radial 798 - UTQG: 400AA - Tire Rating: 4.58

 Dunlop Digi-tyre ECO 201 - UTQG: 400AB - Tire Rating: 4.45

 Nexen SB702 - UTQG: 400AB - Tire Rating: 4.5

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360 - Treadwear

 GT Radial MaxWay - UTQG: 360AB - Tire Rating: 4.47

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220 - Treadwear

 tri-Ace Steady-33 - UTQG: 220AB - Tire Rating: 0

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180 - Treadwear

 Pirelli P400 - UTQG: 180AB - Tire Rating: 3.65

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