50 instances from 6 years

Jan
Feb
17
Mar
Apr
May
20
Jun
Jul
24
Aug
Sep
Oct
Nov
Dec

Jan
3
11
17
26
29
Feb
1
8
15
Mar
Apr
May
Jun
Jul
Aug
15
Sep
Oct
Nov
19
Dec

Jan
Feb
19
Mar
Apr
May
27
Jun
Jul
18
Aug
20
Sep
Oct
Nov
9
16
18
23
Dec
2
13
20
28

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
16
Dec
2

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

Jan
Feb
1
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
5