Less UN to be learned

What are we to draw from this? Without confirmation bias to lead us astray, which direction should we take in determining the passing of time? Sure there are suddenly liberated nations joining but there are also surprising latecomers like Switzerland.

When you account for every country it is an exhaustive exercise.

Oh, researching as I go, Switzerland was a permanent observer state until joining in 2002 so that explains that.

The two remaining observers are Palestine and the Holy See.