Year: 2005 Gallons (Trillions): 4.09 |
Year: 2006 Gallons (Trillions): 3.86 |
Year: 2007 Gallons (Trillions): 4.27 |
Year: 2008 Gallons (Trillions): 3.79 |
Year: 2009 Gallons (Trillions): 3.60 |
Year: 2010 Gallons (Trillions): 3.82 |
Year: 2011 Gallons (Trillions): 3.80 |
Year: 2012 Gallons (Trillions): 3.96 |
Year: 2013 Gallons (Trillions): 3.76 |
Year: 2014 Gallons (Trillions): 3.66 |