Table 4.
Evaluation of long-time survivors and short-time survivors.
| Years | Long-time survivors | Short-time survivors |
|---|---|---|
| 0 | 5.5 | 2.4 |
| 1000 | 4.3 | 2 |
| 2000 | 4.4 | 1.8 |
| 3000 | 4.5 | 1.8 |
| 4000 | 5 | 1.8 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.