How do you find the number of email subscribers you have?

[Scott Pilgrim]

How do you find the number of email subscribers you have? My feed: http://feeds.feedburner.com/CityOfBooks

[John Smith]

Try this link http://feedburner.google.com/

[Tom V]

I am wondering the same thing...but it's unclear if the subscriber count includes email subscribers.  I'm led to believe it doesn't as I have subscribed to my own feed and it still says I have zero subscribers.