21 instances from 7 years

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
3

Jan
Feb
Mar
Apr
May
Jun
3
Jul
Aug
Sep
Oct
Nov
Dec

Jan
3
4
Feb
Mar
Apr
May
Jun
1
Jul
Aug
Sep
Oct
Nov
Dec

Jan
Feb
Mar
Apr
May
Jun
1
21
Jul
Aug
Sep
Oct
Nov
Dec
2

Jan
Feb
Mar
4
Apr
4
May
Jun
Jul
12
Aug
3
Sep
Oct
Nov
5
Dec
15

Jan
27
Feb
Mar
3
23
Apr
May
Jun
Jul
6
Aug
Sep
Oct
Nov
16
Dec
14

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