Excel | CSV | Graphic Version
| Date | Canceled |
|---|---|
| Sep-87 | 0.90 |
| Oct-87 | 0.67 |
| Nov-87 | 1.23 |
| Dec-87 | 2.61 |
| Jan-88 | 3.61 |
| Feb-88 | 1.77 |
| Mar-88 | 0.70 |
| Apr-88 | 0.56 |
| May-88 | 0.60 |
| Jun-88 | 0.28 |
| Jul-88 | 0.62 |
| Aug-88 | 0.55 |
| Sep-88 | 0.48 |
| Oct-88 | 0.52 |
| Nov-88 | 0.84 |
| Dec-88 | 1.06 |
| Jan-89 | 1.60 |
| Feb-89 | 2.05 |
| Mar-89 | 5.25 |
| Apr-89 | 0.51 |
| May-89 | 0.61 |
| Jun-89 | 0.92 |
| Jul-89 | 0.71 |
| Aug-89 | 0.63 |
| Sep-89 | 1.25 |
| Oct-89 | 0.96 |
| Nov-89 | 0.84 |
| Dec-89 | 2.16 |
| Jan-90 | 1.70 |
| Feb-90 | 1.95 |
| Mar-90 | 1.31 |
| Apr-90 | 0.46 |
| May-90 | 0.59 |
| Jun-90 | 0.61 |
| Jul-90 | 0.71 |
| Aug-90 | 0.67 |
| Sep-90 | 0.78 |
| Oct-90 | 0.65 |
| Nov-90 | 0.47 |
| Dec-90 | 2.16 |
| Jan-91 | 2.21 |
| Feb-91 | 1.59 |
| Mar-91 | 0.93 |
| Apr-91 | 0.68 |
| May-91 | 0.61 |
| Jun-91 | 0.41 |
| Jul-91 | 0.49 |
| Aug-91 | 0.50 |
| Sep-91 | 0.52 |
| Oct-91 | 0.81 |
| Nov-91 | 0.92 |
| Dec-91 | 0.71 |
| Jan-92 | 1.48 |
| Feb-92 | 0.80 |
| Mar-92 | 1.28 |
| Apr-92 | 0.52 |
| May-92 | 0.46 |
| Jun-92 | 0.42 |
| Jul-92 | 0.60 |
| Aug-92 | 0.98 |
| Sep-92 | 0.84 |
| Oct-92 | 2.22 |
| Nov-92 | 0.89 |
| Dec-92 | 1.92 |
| Jan-93 | 1.79 |
| Feb-93 | 2.03 |
| Mar-93 | 3.88 |
| Apr-93 | 0.82 |
| May-93 | 0.42 |
| Jun-93 | 0.72 |
| Jul-93 | 0.46 |
| Aug-93 | 0.54 |
| Sep-93 | 0.68 |
| Oct-93 | 0.61 |
| Nov-93 | 1.25 |
| Dec-93 | 1.04 |
| Jan-94 | 4.86 |
| Feb-94 | 4.37 |
| Mar-94 | 1.20 |
| Apr-94 | 0.59 |
| May-94 | 0.38 |
| Jun-94 | 0.63 |
| Jul-94 | 0.86 |
| Aug-94 | 0.54 |
| Sep-94 | 0.41 |
| Oct-94 | 0.49 |
| Nov-94 | 0.62 |
| Dec-94 | 0.97 |
| Jan-95 | 3.07 |
| Feb-95 | 2.38 |
| Mar-95 | 1.59 |
| Apr-95 | 1.32 |
| May-95 | 1.43 |
| Jun-95 | 1.32 |
| Jul-95 | 1.29 |
| Aug-95 | 1.66 |
| Sep-95 | 1.16 |
| Oct-95 | 1.09 |
| Nov-95 | 1.47 |
| Dec-95 | 2.87 |
| Jan-96 | 6.62 |
| Feb-96 | 3.47 |
| Mar-96 | 1.98 |
| Apr-96 | 1.27 |
| May-96 | 1.57 |
| Jun-96 | 1.81 |
| Jul-96 | 2.04 |
| Aug-96 | 1.72 |
| Sep-96 | 1.76 |
| Oct-96 | 1.74 |
| Nov-96 | 2.19 |
| Dec-96 | 2.70 |
| Jan-97 | 3.95 |
| Feb-97 | 2.07 |
| Mar-97 | 1.81 |
| Apr-97 | 1.58 |
| May-97 | 1.13 |
| Jun-97 | 1.51 |
| Jul-97 | 1.69 |
| Aug-97 | 1.48 |
| Sep-97 | 1.43 |
| Oct-97 | 1.64 |
| Nov-97 | 1.55 |
| Dec-97 | 1.82 |
| Jan-98 | 3.07 |
| Feb-98 | 2.54 |
| Mar-98 | 2.14 |
| Apr-98 | 1.57 |
| May-98 | 2.09 |
| Jun-98 | 2.88 |
| Jul-98 | 2.02 |
| Aug-98 | 3.16 |
| Sep-98 | 7.41 |
| Oct-98 | 1.71 |
| Nov-98 | 1.47 |
| Dec-98 | 2.18 |
| Jan-99 | 5.85 |
| Feb-99 | 3.48 |
| Mar-99 | 2.66 |
| Apr-99 | 1.98 |
| May-99 | 2.57 |
| Jun-99 | 2.75 |
| Jul-99 | 3.14 |
| Aug-99 | 2.44 |
| Sep-99 | 3.31 |
| Oct-99 | 2.04 |
| Nov-99 | 1.68 |
| Dec-99 | 1.74 |
| Jan-00 | 5.21 |
| Feb-00 | 3.42 |
| Mar-00 | 2.12 |
| Apr-00 | 2.51 |
| May-00 | 3.45 |
| Jun-00 | 3.95 |
| Jul-00 | 3.21 |
| Aug-00 | 3.05 |
| Sep-00 | 2.24 |
| Oct-00 | 2.13 |
| Nov-00 | 2.35 |
| Dec-00 | 6.00 |
| Jan-01 | 3.78 |
| Feb-01 | 3.66 |
| Mar-01 | 3.38 |
| Apr-01 | 2.23 |
| May-01 | 1.78 |
| Jun-01 | 2.98 |
| Jul-01 | 2.10 |
| Aug-01 | 2.46 |
| Sep-01 | 20.34 |
| Oct-01 | 1.54 |
| Nov-01 | 1.08 |
| Dec-01 | 1.01 |
| Jan-02 | 1.67 |
| Feb-02 | 1.08 |