Some fresh statistics!
The chart below was created based on my timelapse:

Time spent on each activity during my game’s development
The chart below was created based on my bit.ly links to my game:

Clicks my bit.ly links to my game received
Both charts were added to my already ridiculously detailed post-mortem.
Code: 25%
Leveldesign: 50%
Graphics: 25%
Sounds: 15%
Storyline: 10%
eg, thinking about A while doing B can mean that we’re deciding our gameplay mechanics/story while drawing art/coding.