Julie, What an interesting thing to do and what good info came out of it!
Most of my desire is physical-based, although I have dabbled in #4, for sure. Mostly #1 and 2. My H says I'm vain because when I look nice, the anticipation that HE will think I look nice actually makes me horny. This is true, but I'm not sure it's vanity at work. Maybe.
If I were to do the same introspection that you did, I suspect I would find that my horniness needs to be more H-focused and less throbbing-in-the-bits focused. He definitely makes me horny but I think I need to make sure that I package it in a way that is palatable to him, while not watering it down so much that it does nothing for either of us.
