January February March April May June July August September October November December

Order ID | Customer ID | Order Date
1001 | 1005 | 2016-03-05
1002 | 1002 | 2016-04-08
1003 | 1001 | 2016-05-01
1004 | 1002 | 2016-05-01
1005 | 1001 | 2016-05-11
1006 | 1005 | 2016-06-07
1007 | 1003 | 2016-06-08
1008 | 1003 | 2016-06-08
1009 | 1004 | 2016-06-12