How to get all month record count in laravel

I have applied group by with with created_at column using DB query but like to do it by laravel eloquent

Output should be like this:-

Array
(
  [1] => 2
  [2] => 3
  [3] => 7
  [4] => 4
  [5] => 5
  [6] => 7
  [7] => 2
  [8] => 9
  [9] => 0
  [10] => 4
  [11] => 0
  [12] => 0
)

Please provide any help me to do this.

via Chebli Mohamed