Updated numbers for car/truck road subsidies

The last time I did this, I had figures through 2011.
Now I have 2012, 2014 and 2105 (2013 seems to be missing).
Now in a Google spreadsheet, so you can look at the numbers directly and poke at the links if you want to see where the numbers came from.

In words — since 2009, each gallon of gasoline or diesel is taxed between 40 and 50 cents too low even if the only purpose of that tax is to pay for road construction and maintenance. Any other taxes (carbon, pollution, noise, congestion, health care) would be on top of that. This also does not include the maintenance or construction that we ought to be doing; this is just what is spent.

Totaled over all the fuel sold, each year since 2009 the annual shortfall totals somewhere between 75 and 100 billion dollars.