Table:
Year | World Car of the Year | World Performance Car | World Green Car | World Car Design of the Year
2006 | BMW 3-Series (winner) / Mazda MX-5 / Porsche Cayman S /  /  /  / BMW 1-Series / Honda Civic and Honda Civic Hybrid / Land Rover Range Rover Sport / Lexus IS / Mercedes-Benz M-Class / Mercedes-Benz S-Class / Suzuki Swift / Volkswagen Passat | Porsche Cayman S (winner) / Audi RS4 / BMW M5 /  /  /  / Aston Martin V8 Vantage / BMW 130i MSport / BMW M6 / Bugatti Veyron 16.4 / Chrysler 300C SRT-8 | Honda Civic Hybrid (winner) / Citroën C1 1.4 Hdi Diesel / Lexus RX 400h /  /  /  / BMW 325Ci | Citroën C4 (winner) / BMW 3-Series / Honda Civic /  /  /  / Aston Martin V8 Vantage / BMW 1 Series
2007 | Lexus LS 460 (winner) / MINI / Audi TT /  /  /  / Audi Q7 / BMW Z4 / Citroën C4 Picasso / Citroën C6 / Fiat Grande Punto / Fiat Sedici / Suzuki SX4 / Jaguar XK / Mercedes CL | Audi RS4 (winner) / BMW 335i / Porsche 911 Turbo /  /  /  / Audi S6 / BMW Z4/Z4 M / Ferrari 599 GTB Fiorano / Jaguar XKR / Mazda 3 MPS / Mazdaspeed3 / Porsche 911 GT3 / Renault Clio Renault Sport | Mercedes-Benz E320 Bluetec (winner) / BMW Hydrogen 7-Series / Volkswagen Polo GTI BlueMotion | Audi TT (winner) / Citroën C4 Picasso / Fiat Grande Punto
2008 | Mazda2 / Demio (winner) / Ford Mondeo / Mercedes-Benz C-Class /  /  /  / Audi A5/S5 / Audi R8 / Cadillac CTS / Ford S-Max / Nissan Qashqai/Dualis / Nissan Skyline Coupe/Infiniti G37 Coupe / Volvo C30 | Audi R8 (winner) / Audi S5 Coupé / BMW M3 /  /  /  / Mercedes-Benz CL 63 AMG / Mercedes-Benz S 63 AMG / Aston Martin V8 Vantage Roadster / Honda Civic Type R / Maserati GranTurismo / Mercedes-Benz CLK63 AMG Black Series / Renault Clio F1 Team R27 | BMW 118d (winner) / Smart Fortwo cdi / Volkswagen Passat 1.9 TDI /  /  /  / Chevrolet Equinox Fuel Cell Electric Vehicle / Chevrolet Malibu Hybrid / Chevrolet Tahoe/GMC Yukon Hybrids / Lexus LS 600h L / Nissan Altima Hybrid / Saturn Aura Green Line / Saturn Vue Green Line | Audi R8 (winner) / Mazda2 / Volvo C30 /  /  /  / Audi R8 Coupe / Roadster
2009 | Volkswagen Golf (winner) / Ford Fiesta / Toyota iQ | Nissan GT-R (winner) / Chevrolet Corvette ZR1 / Porsche 911 | Honda FCX Clarity (winner) / Toyota iQ / Mitsubishi i MiEV | Fiat 500 (winner) / Jaguar XF / Citroën C5
2010 | Volkswagen Polo (winner) / Mercedes-Benz E-Class / Audi A5 /  /  /  / Chevrolet Cruze / Kia Soul / Mazda 3 | Audi R8 V10 (winner) / Ferrari California / Porsche 911 GT3 /  /  /  / Aston Martin V12 Vantage / Audi TT RS Coupé / Roadster / BMW Z4 / Jaguar XFR / Mercedes-Benz E63 AMG / Nissan 370Z | Volkswagen BlueMotion (winner) / Honda Insight / Toyota Prius /  /  /  / Ford Fusion Hybrid / Mercedes-Benz S400 BlueHybrid | Chevrolet Camaro (winner) / Citroën C3 Picasso / Kia Soul /  /  /  / Toyota Prius
2011 | Nissan Leaf (winner) / Audi A8 / BMW 5 Series /  /  /  / Audi A1 / BMW X3 / Jaguar XJ / Jeep Grand Cherokee / Mercedes-Benz SLS / Porsche Cayenne / Volvo S60 / V60 | Ferrari 458 Italia (winner) / Mercedes-Benz SLS AMG / Porsche 911 Turbo /  /  /  / Aston Martin Rapide / Audi RS5 / Cadillac CTS-V / Lamborghini Gallardo SUPERLEGGERA / Mercedes-Benz CL63 AMG / Porsche 911 GT2RS / Renault Mégane III / Renault Sport | Chevrolet Volt (winner) / BMW 320d EfficientDynamics Edition / Nissan Leaf /  /  /  / Hyundai Sonata Hybrid / Mercedes-Benz B-Class F-Cell / smart electric drive | Aston Martin Rapide (winner) / Alfa Romeo Giulietta / Ferrari 458 Italia /  /  /  / Audi A7 / Citroën DS3 / Honda CR-Z / Kia Sportage / Nissan Juke
2012 | Volkswagen up! (winner) / BMW 3 Series / Porsche 911 /  /  /  / Audi A6 / Audi Q3 / BMW 1 Series / Chevrolet Volt / Opel/Vauxhall Ampera / Citroën DS5 / Ford Focus / Range Rover Evoque | Porsche 911 (winner) / Lamborghini Aventador / McLaren MP4-12C /  /  /  / Audi RS 3 Sportback / BMW 1 Series M Coupé / BMW M5 / Chevrolet Camaro ZL1 / Ferrari FF / Mercedes-Benz C-63 Coupe AMG Black Series / Mercedes-Benz CLS 63 AMG | Mercedes-Benz S250 CDI BlueEFFICIENCY (winner) / Ford Focus Electric / Peugeot 3008 HYbrid4 /  /  /  / Mitsubishi i / Renault Fluence ZE | Range Rover Evoque (winner) / Volkswagen up! / Citroën DS5 /  /  /  / Hyundai Veloster / Porsche 911
2013 | Volkswagen Golf (winner) / Mercedes-Benz A-Class / Porsche Boxster / Cayman / Scion FR-S/Subaru BRZ/Toyota GT-86 /  /  /  / Audi A3 / Land Rover Range Rover / Mazda CX-5 / Mazda6 / Peugeot 208 / Volvo V40 | Porsche Boxster / Cayman (winner) / Scion FR-S/Subaru BRZ/Toyota GT-86 / Ferrari F12 Berlinetta /  /  /  / Aston Martin Vanquish / Audi RS5 / BMW M6 / BMW M135i / Mercedes SL63 AMG / Mercedes SLS AMG Roadster / Renaultsport Clio 200 EDC | Tesla Model S (winner) / Renault Zoe / Volvo V60 Plug-in Hybrid /  /  /  / Smart Electric Drive / Volkswagen Jetta Hybrid | Jaguar F-Type (winner) / Aston Martin Vanquish / Mazda6 /  /  /  / Range Rover / Renault Clio / Volkswagen Golf

Question: what was the first mercedez to win world green car?
Answer: Mercedes-Benz E320 Bluetec

Question: how many total world performance cars are there for 2007?
Answer: 10

Question: what is the total number of cars entered for 2007 in the green car category?
Answer: 3

Question: what is the average number of winners each year?
Answer: 4

Question: who was the top car design of the year in 2008?
Answer: Audi R8

Question: how many world green cars are there before 2007?
Answer: 4

Question: what is the total number of categories on the chart?
Answer: 4

Question: how many world performance cars were entered in 2009?
Answer: 3

Question: how many years were there only three world green cars?
Answer: 9

Question: how many consecutive years did a volkswagen win world car of the year?
Answer: 2