$75,000 after 7 years is a little low - I see about 85,000.
Managed funds on average return about 4% after fees. Those who see a significantly higher (or lower!) return are usually the beneficiary of currency movements - ie my European fund has done well.
It's a fair scheme but you'll have to stay for 30 years for it to be useful for your retirement. Which sort of makes sense if you think about it.
On another note applications rose dramatically after the profit share was announced. So that worked - no need for large salary increase now...!