The score for 2016 is Cops, 1,090if you strictly stick to the present you will likely be killed in the rare event of a deadly force event.
Having some difficulty finding the number of police killed by attackers because the "death by gunfire" category includes self inflicted, friendly fire, and accidental shootings.
https://www.theguardian.com/us-news...un/01/the-counted-police-killings-us-database
Looks like, "more than 60" according to this site:
http://www.foxnews.com/us/2016/12/2...ot-this-year-20-in-ambushes-report-finds.html