That’s a lot of tax
A bit of tax trivia. It's based on the data in Wikipedia, so I can't guarantee its accuracy, but according to the leading collaborative reference web site, the country of East Timor, sometimes known as Timore-Leste, has the world's highest tax revenue as a fraction of GDP. In the case of East Timor, it's actually 109.7%.
So it's no wonder there aren't many Voltage customers there. The TCO of our products may be a factor of three or more less than competing products, but when you're paying that much tax, it's probably even hard to justify buying SecureMail.