This data via American Thinker:
In the first two months of 2016, total reported offenses using the NIBRS definitions are up a further 10.5% over this time last year. Crimes against persons have increased 14.1%, property crimes are up 13.8%, and crimes against society are up 18.4% compared to the same time frame in 2015.
For comparison, in January and February of 2013 – the last year for these two months before marijuana legalization – there were just 6,791 crimes in the city. During January and February of 2016, there were 9,985, a 47% increase over the same period from 2013.