That would only list those recoveries that have been bad enough to warrant a test in the first place. With health care systems being overwhelmed the world over,

That would only list those recoveries that have been bad enough to warrant a test in the first place. With health care systems being overwhelmed the world over, almost no country is doing extensive testing of all people who suspect they might have been infected, meaning there will be a huge number of mild cases going unreported. South Korea is perhaps the only exception.