Estimate of satellite vs. Land-based traffic

[sean at donelan.com (Sean Donelan)]

On Tue, 6 Jan 2009, Kevin.Smith at dca.state.fl.us wrote:
> Participting in a severe solar event EXERCISE.  Can anyone give me an
> educated guesstimate of the percentage of backbone traffic that is
> satellite dependent vs. that which is totally land-based?

The last FCC statistics I found researching this last year.

2006
   Satellites carry 0.22% of US international circuits. There are 14,346 US
   international circuits via satellite.

  <http://www.donelan.com/overseas.html>