All continents (except Antarctica) are now represented, with 2020 additions so far of Brazil, Hong Kong SAR – China, Malaysia, and Sri Lanka. Here are all 27 countries listed by continent, in alphabetical order:
Africa – South Africa.
Asia – Hong Kong SAR – China, India, Malaysia, New Zealand, Pakistan, Sri Lanka, Thailand, and Turkey.
Europe – Austria, Denmark, France, Germany, Italy, Lithuania, Netherlands, Norway, Poland, Romania, Slovenia, Spain, Switzerland, and the United Kingdom.
North America – Canada, and the United States.
South America – Brazil.