13 instances from 7 years

Jan
Feb
2
Mar
Apr
May
12
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Jan
22
Feb
Mar
Apr
May
Jun
Jul
Aug
28
Sep
Oct
Nov
Dec

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

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

Jan
Feb
15
Mar
Apr
May
Jun
Jul
Aug
9
Sep
Oct
Nov
Dec

Jan
19
Feb
Mar
Apr
May
Jun
Jul
Aug
5
Sep
Oct
Nov
Dec

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
19
Oct
Nov
Dec