iPhone App orders by day of month

gistfile1.txt

 day_of_month | count 
--------------+-------
            1 |    20
            2 |    43
            3 |    42
            4 |    32
            5 |    22
            6 |    19
            7 |    39
            8 |    32
            9 |    40
           10 |    25
           11 |    40
           12 |    27
           13 |    37
           14 |    30
           15 |    41
           16 |    24
           17 |    41
           18 |    43
           19 |    44
           20 |    51
           21 |    64
           22 |    53
           23 |    52
           24 |    55
           25 |    44
           26 |    48
           27 |    51
           28 |    44
           29 |    44
           30 |    44
           31 |    14