# WBS, severity, frequency
# concept
              2,        1,        59
              2,        2,        81
              2,        3,       168
              2,        4,         0
              2,        5,         0
# requirements
              3,    	1,		 291,          
              3,        2,       313
              3,        3,       430
              3,        4,         0
              3,        5,         0
# design
              4,        1,        11
              4,        2,        16
              4,        3,        96
              4,        4,         0
              4,        5,         0
# implement
              5,        1,        51
              5,        2,       78 
              5,        3,       333
              5,        4,         0
              5,        5,         0
# test
              6,        1,        15
              6,        2,        27
              6,        3,        77
              6,        4,         0
              6,        5,         0