15th through 3 http://www.espn.com/nfl/statistics/t...lPointsPerGame
4th http://www.espn.com/nfl/statistics/t...Game/year/2016
15th http://www.espn.com/nfl/statistics/t...Game/year/2015
1st http://www.espn.com/nfl/statistics/t...Game/year/2014
8th http://www.espn.com/nfl/statistics/t...Game/year/2013
5th http://www.espn.com/nfl/statistics/t...Game/year/2012
1st http://www.espn.com/nfl/statistics/t...Game/year/2011
10th http://www.espn.com/nfl/statistics/t...Game/year/2010
Unless you don't count scoring average as a good metric for an offense.