167 instances from 17 years

Jan
Feb
Mar
Apr
3
May
24
Jun
Jul
Aug
1
Sep
Oct
Nov
Dec
1

Jan
Feb
Mar
Apr
1
May
Jun
Jul
Aug
1
Sep
22
Oct
Nov
Dec
1

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
2
Sep
Oct
Nov
Dec
1

Jan
Feb
3
Mar
Apr
May
Jun
Jul
1
Aug
Sep
Oct
23
Nov
Dec
1

Jan
Feb
1
Mar
Apr
May
Jun
3
Jul
Aug
Sep
Oct
2
28
Nov
Dec

Jan
Feb
7
Mar
Apr
May
Jun
1
Jul
Aug
Sep
Oct
1
Nov
Dec

Jan
Feb
3
Mar
Apr
May
Jun
6
Jul
Aug
Sep
Oct
10
11
Nov
Dec

Jan
Feb
3
18
Mar
Apr
May
Jun
8
Jul
Aug
Sep
Oct
Nov
Dec

Jan
Feb
Mar
Apr
May
Jun
3
Jul
Aug
Sep
Oct
6
Nov
Dec

Jan
6
9
Feb
4
Mar
Apr
2
May
7
Jun
4
Jul
14
Aug
Sep
Oct
Nov
Dec
3

Jan
4
5
6
Feb
6
Mar
Apr
2
May
Jun
4
Jul
4
Aug
Sep
2
Oct
2
Nov
3
Dec

Jan
4
5
19
Feb
15
Mar
Apr
5
May
3
4
Jun
Jul
Aug
10
18
Sep
10
21
Oct
3
13
Nov
3
Dec

Jan
9
10
31
Feb
1
4
Mar
21
Apr
14
May
5
Jun
2
Jul
8
Aug
Sep
7
19
26
Oct
13
Nov
14
Dec

Jan
Feb
15
Mar
Apr
May
Jun
7
9
17
Jul
9
Aug
Sep
4
8
9
Oct
9
Nov
Dec

Jan
7
Feb
5
Mar
5
Apr
May
20
Jun
Jul
8
26
Aug
6
Sep
15
Oct
13
Nov
5
Dec

Jan
Feb
Mar
Apr
May
13
Jun
3
Jul
1
Aug
7
Sep
5
Oct
1
Nov
4
Dec
4