2009: 3669 penalties
2010: 3713 penalties
2011: 3896 penalties
2012: 3809 penalties
2013: 3635 penalties
2014: 4246 penalties
2015: 4326 penalties
2016: 4164 penalties
2017: 4166 penalties
2018: 4205 penalties
2019: 4278 penalties
2020: 3499 penalties (covid year)
2021: 3909 penalties (added a 17th game)
2022: 3726 penalties
2023: 2229 penalties on pace for 4012 (this on pace will vary a bit due to bye weeks for various teams)
Saw a sizable spike 2014-2019, but actually went down on averages the last few years while adding an extra week.
2009: 3669 penalties
2010: 3713 penalties
2011: 3896 penalties
2012: 3809 penalties
2013: 3635 penalties
2014: 4246 penalties
2015: 4326 penalties
2016: 4164 penalties
2017: 4166 penalties
2018: 4205 penalties
2019: 4278 penalties
2020: 3499 penalties (covid year)
2021: 3909 penalties (added a 17th game)
2022: 3726 penalties
2023: 2229 penalties on pace for 4012 (this on pace will vary a bit due to bye weeks for various teams)
Saw a sizable spike 2014-2019, but actually went down on averages the last few years while adding an extra week.