Percentages in log are wrong

Has this happened anyone else?

Here is a log entry:

Completed in 0.00918 (108 reqs/sec) | Rendering: 0.00565 (61%) | DB:
0.09696 (1056%) | 200 OK […

The numbers don’t quite add up do they? All my log entries are like
this.
I’m on Rails 2.1.0

Joel.