The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.
Now, the New York Times offers the viewpoint that, in terms of cars and mileage, 200,000 is the new 100,000. Two numbers make it apparent that 100K is no big thing anymore: The average car on the road is about 11 years old, and the average car is driven about 15,000 miles per year. Multiply those figures together and youâve got a fairly average car with something like 165,000 miles on it.
In 2014, cars, motorcycles, trucks, and buses drove nearly 3 trillion miles in our countryâfarther than driving to the Sun and back 16,000 times. During the next 25 years, the total number of miles driven by Americans is projected to grow by about 30%, increasing the demand for fuel.