Squid proxy is not being very effective

opensuse v12.3
squid 3.2.11

The workstations here (there are 6) are pointed to this proxy as a caching proxy for most outgoing protocols.

From the squid <access.log> the number of lines for cache hits and misses:
HIT: 126
MISS: 5368
total lines in log: 5740

A 2.3% hit rate does not seem very effective.

Is this typical? To be expected?

I never looked to much at that but it would depend a lot on the type of the traffic and protocols and the websites your users are requesting content from…

Maybe some settings are missing from your configuration? Squid-3.2: Pragma, Cache-Control, no-cache versus storage | The Squid Web Proxy/Cache Blog