75 instances from 4 years

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

Jan
Feb
Mar
Apr
18
19
May
Jun
Jul
19
22
Aug
Sep
Oct
Nov
Dec

Jan
8
18
19
Feb
12
18
Mar
5
11
18
Apr
2
9
16
18
May
26
Jun
3
Jul
19
21
23
Aug
Sep
Oct
Nov
Dec

Jan
Feb
Mar
22
31
Apr
May
16
27
31
Jun
7
13
19
21
28
Jul
5
12
15
19
27
Aug
2
9
15
23
30
Sep
6
13
20
26
Oct
4
11
15
18
25
27
Nov
1
9
15
22
Dec
1
7