Of the teachers who visit this web site, more than 25% are outside North America. Most of these teachers won’t buy print or CD-ROM products from US merchants, because of shipping costs, customs paperwork, and delivery delays — but they will often purchase PDF or other digital-download versions.

1. United States (us) 68.9%
2. Canada (ca) 5.6%
3. Great Britain (gb) 3.4%
4. Australia (au) 2%
5. Japan (jp) 1.9%  … 
6. Germany (de) 1.7%
7. Netherlands (nl) 1.7%
8. Italy (it) 0.9%
9. France (fr) 0.8%
10. Europe (unspecified) (eu) 0.8%
11. India (in) 0.6%
12. Denmark (dk) 0.6%
13. Portugal (pt) 0.6%
14. Turkey (tr) 0.5%
15. Philippines (ph) 0.5%
16. Poland (pl) 0.5%
17. China (cn) 0.4%
18. Sweden (se) 0.4%
19. Ireland (ie) 0.4%
20. Egypt (eg) 0.4%
21. Asia/Pacific (unspecified) (ap) 0.4%
22. Spain (es) 0.4%
23. Switzerland (ch) 0.4%
24. Indonesia (id) 0.4%
25. Argentina (ar) 0.4%
26. New Zealand (nz) 0.4%
27. Malaysia (my) 0.3%
28. 97 other countries: 11.5%