Interval              MPECS Discovery Observations
1994-W11                   0         0            2
1994-W12                   0         0            1
1994-W13                   0         0            0
1994-W14                   0         0            0
1994-W15                   0         0            0
1994-W16                   0         0            0
1994-W17                   0         0            0
1994-W18                   0         0            0
1994-W19                   0         0            0
1994-W20                   0         0            0
1994-W21                   1         0            0