The new worth of US Presidents

Wall Street has an article with the estimated net worth of US Presidents in current dollars. These are the ones that were worth over $50 million.

1. John F Kennedy $1,000m (family trust)
2. George Washington $525m
3. Thomas Jefferson $212m
4. Theodore Roosevelt $125m
5. Andrew Jackson $119m
6. James Madison $101m
7. Lyndon Johnson $98m
8. Herbert Hoover $75m
9. Franklin Roosevelt $60m
10. John Tyler $51m
11. Bill Clinton $50m

I wonder what the NZ equivalent list would look like!