The countries (that I have visited so far) amount to 60.
The United States, Canada,
México, Belize, Perú, Brasil, Argentina, Australia, New Zealand,|
South Africa, Zimbabwe, Kenya, Ethiopia, Ghana, Morocco, Tunisia, Egypt, Israel, Jordan, Syria,
Turkey, Bulgaria, Greece, Croatia, Slovenia, Hungary, Slovakia, the Czech Republic, Austria, Italy,
Switzerland, Germany, Denmark, the Netherlands, Belgium, Luxembourg, France, Spain, Portugal,
Britain, Ireland, Norge, Sweden, Finland, Estonia, Russia, China, Korea, Taiwan, the Philippines,
Vietnam, Laos, Cambodia, Thailand, Burma, Malaysia, Singapore, Indonesia, Ceylon, India.