4 instances from 4 years

Jan
Feb
Mar
Apr
May
27
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
27
Nov
Dec

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

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