20 instances from 3 years

Jan
10
Feb
6
Mar
6
Apr
6
May
9
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Jan
9
Feb
6
Mar
7
Apr
5
May
2
Jun
6
Jul
2
Aug
4
Sep
8
Oct
6
Nov
3
Dec
9

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
7
Nov
5
Dec
5