Economies are not zero sum in the way that thermodynamics is. Has a positive amount of wealth been created by humans in the last 50 years? The last 200 years?

Economies are not zero sum in the way that thermodynamics is. Has a positive amount of wealth been created by humans in the last 50 years? The last 200 years? In the last 2000? It seems obviously true that it has in each of those cases.