_id	Month	Year	Number
1	Jan	2015	409
2	Feb	2015	379
3	Mar	2015	475
4	Apr	2015	430
5	May	2015	463
6	Jun	2015	556
7	Jul	2015	583
8	Aug	2015	557
9	Sep	2015	478
10	Oct	2015	480
11	Nov	2015	372
12	Dec	2015	326