for our MBS plugin users, we have this distribution:
United Kingdom: 6%
United States: 33%
and just a few in Afghanistan, Argentina, Armenia, Austria, Bahrain, Belgium, Brazil, Burkina Faso, Cayman Islands, Chile, China, Columbia, Costa Rica, Croatia, Cyprus, Czech republic, Denmark, Dominican Republic, Ecuador, Egypt, Estonia, Finland, Georgia, Greece, Guadeloupe, Guernsey, Haiti, Honduras, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Israel, Jamaica, Jordan, Kuwait, Latvia, Liechtenstein, Lithuania, Luxembourg, Macau, Madagaskar, Malaysia, Malta, Mexico, Mosambik, Namibia, Nepal, Netherlands Antilles, New Caledonia, New Zealand, Norway, Pakistan, Panama, Peru, Philippines, Poland, Portugal, Puerto Rico, Romania, Russia, Serbia, Seychelles, Singapore, Slovakia, Slovenia, South Africa, South Korea, Spain, Sri Lanka, Sweden, Taiwan, Thailand, Turkey, Uganda, Ukraine, United Arab Emirates, Uruguay and Venezuela.
In general plugin users are living where a lot of people live, who speak some english (to read documentation) and have enough knowledge to do software development and know about Xojo or FileMaker.