83 instances from 6 years

Jan
Feb
15
Mar
Apr
May
17
Jun
Jul
19
Aug
Sep
Oct
Nov
Dec

Jan
2
9
16
24
28
31
Feb
6
13
21
27
Mar
6
15
22
Apr
15
May
2
20
Jun
1
Jul
2
Aug
1
13
Sep
2
Oct
Nov
16
Dec

Jan
Feb
14
Mar
Apr
May
2
9
16
21
23
30
Jun
6
18
20
28
Jul
4
19
26
Aug
2
8
12
15
23
29
Sep
6
12
20
27
Oct
3
11
18
25
31
Nov
6
15
17
20
27
Dec
7
11
19
26

Jan
Feb
2
Mar
Apr
May
Jun
Jul
Aug
8
Sep
Oct
Nov
14
30
Dec

Jan
Feb
2
Mar
Apr
May
3
Jun
Jul
Aug
Sep
Oct
Nov
14
Dec

Jan
Feb
1
Mar
Apr
May
Jun
6
Jul
Aug
6
Sep
Oct
Nov
4
Dec