Year and month

Victor Ng <victor@crankycoder.com>

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2014 0 0 0 0 0 0 0 0 0 3 4 0
2015 2 2 6 2 0 0 0 0 1 1 0 0
2016 0 0 0 1 0 0 0 0 0 0 0 0