SAMPLE DEFECTS
     1       0
     2       0
     3       0
     4       0
     5       0
     6       0
     7       0
     8       0
     9       0
    10       0
    11       0
    12       1
    13       1
    14       0
    15       0
    16       1
    17       2
    18       0
    19       1
    20       0
    21       0
    22       0
    23       1
    24       3
    25       0
    26       3
    27       1
    28       1
    29       0
    30       0