Array
(
    [2] => 530
    [3] => 1077
    [4] => 1651
    [5] => 2259
    [6] => 2704
    [7] => 3368
    [8] => 2789
    [9] => 2260
    [10] => 1698
    [11] => 1146
    [12] => 518
)