The stats presented by the article are very myopic. Bikes are mobile objects that frequently travel between areas covered by multiple precincts. Rather than looking solely at the 5th precinct, they arguably should have presented a wider view of the city's records on bicycle activity. When you do that, it paints a very different picture of some of the statistics.
For instance - "cyclist accidents that caused deaths" : 2013: 0, 2014: 0
Jill Tarlov was killed by a biker in September:
http://gothamist.com/2014/09/22/jill_tarlov_central_park.php
Irving Schachter was killed by a biker in August: