McDonalds or Investment Banking? Occupations by hourly wage

Here's some data I found for various occupations, stored in a helpful spreadsheet:

https://docs.google.com/spreadsheet/ccc?key=0Aqdcj6KBtxj6dFpvc0hoQTdleDFBcWxFWUwzTVdidGc&hl=en_US&ndplr=1#gid=0

Observation: a programmer's salary is often competitive with the salary of someone who works in finance when you take hours worked into account.

Thoughts HN?