Top 30 World's Richest & Their Chinese Zodiac Sign

Top 30 World's Richest

Top 30 World's Richest in USD and their Chinese Zodiac Signs as well.
(From most to least)

1. Carlos Slim Helu | 73 Billion | Rabbit
2. Bill Gates | 67 Billion | Sheep
3. Amancio Ortega | 57 Billion | Rat
4. Warren Buffet | 53.5 Billion | Horse
5. Larry Ellison | 43 Billion | Monkey 
6. Charles Koch | 34 Billion | Pig
7. Li Ka-Shing | 31 Billion | Dragon
8. Liliane Bettencourt | 30 Billion | Dog
9. Bernard Arnault | 29 Billion | Ox
10. Christy Wolton | 28.2 Billion | Sheep
11. Stefan Persson | 28 Billion | Pig
12. Michael Bloomberg | 27 Billion | Snake
13. Jim Walton | 26.7 Billion | Rat
14. Sheldon Adelson |26.5 Billion | Rooster
15. Alice Walton | 26.3 Billion | Ox
16. S. Robson Walton | 26.1 Billion | Monkey 
17. Karl Albrecht | 26 Billion | Monkey 
18. Jeff Bezos | 25.3 Billion | Rabbit
19. Larry Page | 23 Billion | Ox
20. Sergey Brin | 22.8 Billion | Ox
21. Mukesh Ambani | 21.5 Billion | Rooster
22. Michele Ferrero | 20.4 Billion | Ox
23. Lee Shau Kee | 20.3 Billion | Rabbit
24. David Thomson | 20.3 Billion | Rooster
25. Al-Waleed bin Talal | 20 Billion | Sheep
26. Carl Icahn | 20 Billion | Rat
27. Thomas and Raymond Kwok | 20 Billion | Pig and Ox
28. Dieter Schwarz | 19.5 Billion | Rabbit
29. George Soros | 19.2 Billion | Horse
30. Alberto Bailleres | 18.2 Billion | Rabbit

Total of Rabbits: 5
Total of Sheep: 3
Total of Rats: 3
Total of Horses: 2
Total of Monkeys: 3
Total of Pigs: 3
Total of Dragons: 1
Total of Dogs: 1
Total of Oxen: 6
Total of Snakes: 1
Total of Roosters: 2

But no tigers on the Top 30 X__X

Ranks

1st rank: Oxen
2nd rank: Rabbits
3rd rank: Sheep
4th rank: Rats
5th rank: Monkeys
6th rank: Pigs
7th rank: Horses
8th rank: Roosters
9th rank: Dragons
10th rank: Dogs
11th rank: Snakes
12th rank: Tiger