Jan ( N = 2183 )
Feb ( N = 1959 )
Mar ( N = 2153 )
Apr ( N = 2087 )
May ( N = 2161 )
Jun ( N = 2073 )
Jul ( N = 2148 )
Aug ( N = 2145 )
Sep ( N = 2047 )
Oct ( N = 2145 )
Nov ( N = 2154 )
Dec ( N = 2164 )