Array
(
    [2] => 544
    [3] => 1140
    [4] => 1631
    [5] => 2229
    [6] => 2805
    [7] => 3372
    [8] => 2824
    [9] => 2203
    [10] => 1593
    [11] => 1095
    [12] => 564
)