Interval              MPECS Discovery Observations
1994-Q2                    1         0            2
1994-Q3                    0         0            0
1994-Q4                    0         0            0
1995-Q1                    0         0            0
1995-Q2                    0         0            0
1995-Q3                    1         0            4
1995-Q4                    0         0            0
1996-Q1                    1         0            3