Additional Data and Information.-- Latest shifted rating.
Funding for this site is provided by the cooperators / programs below:
| Min (1998) | 25th percen- tile | Most Recent Instantaneous Value Apr 20 | Median | Mean | 75th percen- tile | Max (1997) |
|---|---|---|---|---|---|---|
| 1250 | 2320 | 2370 | 3230 | 3990 | 4620 | 18300 |