Re-Search Trends in Philosophy

Google has an interesting service which allows you to see the search stats on high-volume search strings. Here are some results I found interesting.

"philosophy"
1. Cambridge, MA, USA
2. Pittsburgh, PA, USA
3. New York, NY, USA
4. Philadelphia, PA, USA
5. Baltimore, MD, USA
6. St Louis, MO, USA
7. Austin, TX, USA
8. Boston, MA, USA
9. Rochester, NY, USA

"epistemology"
1. Honolulu, HI, USA
2. Pittsburgh, PA, USA
3. Austin, TX, USA
4. Cambridge, MA, USA
5. Rochester, NY, USA

"metaphysics"
1. Cambridge, MA, USA
2. Denver, CO, USA
3. Raleigh, NC, USA
4. Philadelphia, PA, USA
5. Baltimore, MD, USA
6. Salt Lake City, UT, USA
7. Austin, TX, USA 8. St Louis, MO, USA

"logic"
1. San Jose, CA, USA
2. Santa Clara, CA, USA
3. Austin, TX, USA
4. San Francisco, CA, USA
5. Pleasanton, CA, USA
6. Denver, CO, USA
7. Pittsburgh, PA, USA

I was hardly able find any philosopher who had a high enough search volume. Unsurprisingly, there was one exception.

"Peter Singer"
1. Princeton, NJ, USA
2. Cambridge, MA, USA
3. Minneapolis, MN, USA
4. Denver, CO, USA
5. Pittsburgh, PA, USA

I'm not sure what to make of Pittsburgh appearing on every list.