Here are the 50 highest-paid CEOs of 2013, as calculated by the Associated Press and Equilar, an executive pay research firm:

1. Anthony Petrello, Nabors Industries, $68.2 million, up 246%

2. Leslie Moonves, CBS, $65.6 million, up 9%

3. Richard Adkerson, Freeport-McMoRan Copper & Gold, $55.3 million, up 294%

4. Stephen Kaufer, TripAdvisor, $39 million, up 510%

5. Philippe Dauman, Viacom, $37.2 million, up 11%

6. Leonard Schleifer, Regeneron Pharmaceuticals, $36.3 million, up 21%

7. Robert Iger, Walt Disney, $34.3 million, down 7%

8. David Zaslav, Discovery Communications, $33.3 million, down 33%

9. Jeffrey Bewkes, Time Warner, $32.5 million, up 27%

10. Brian Roberts, Comcast, $31.4 million, up 8%

11. Mark Bertolini, Aetna, $30.7 million, up 132%

12. Rex Tillerson, ExxonMobil, $28.1 million, up 3%

13. Brian Goldner, Hasbro, $27.4 million, up 188%

14. David Cote, Honeywell International, $26 million, up 55%

15. Steve Ells, Chipotle Mexican Grill co-CEO, $25.1 million, up 27%

16. Montgomery Moran, Chipotle Mexican Grill co-CEO, $24.4 million, up 27%

17. James McNerney, Boeing, $23.3 million, up 10%

18. Alan Mulally, Ford Motor Co., $23.2 million, up 11%

19. Alexander Cutler, Eaton, $23.1 million, up 24%

20. Laurence Fink, BlackRock, $22.9 million, up 13%

21. Larry Merlo, CVS Caremark, $22.9 million, up 26%

22. Trevor Fetter, Tenet Healthcare, $22.7 million, up 180%

23. Sandeep Mathrani, General Growth Properties, $22.1 million, up 424%

24. Paal Kibsgaard, Schlumberger, $22 million, up 47%

25. Kenneth Chenault, American Express, $21.7 million, down 22%

26. Brian Jellison, Roper Industries, $21.4 million, up 18%

27. David Nelms, Discover Financial Services, $21.2 million, up 113%

28. Robert Hugin, Celgene, $21 million, up 99%

29. Miles White, Abbott Laboratories, $20.9 million, up 7%

30. David Lesar, Halliburton, $20.9 million, up 20%

31. Lamberto Andreotti, Bristol-Myers Squibb, $20.8 million, up 30%

32. Randall Stephenson, AT&T, $20.7 million, down 1%

33. Carol Meyrowitz, TJX Companies, $20.7 million, up 9%

34. Andrew Liveris, Dow Chemical, $20.5 million, up 21%

35. Paul Jacobs, Qualcomm, $20.4 million, down 1%*

36. John Watson, Chevron, $20.2 million, down 9%

37. Lloyd Blankfein, Goldman Sachs, $19.9 million, up 50%

38. Lawrence Culp, Danaher, $19.7 million, down 10%

39. Stephen Wynn, Wynn Resorts, $19.6 million, up 10%

40. David Calhoun, Nielsen Holdings, $19.5 million, up 40%**

41. James Cracchiolo, Ameriprise Financial, $19.4 million, up 20%

42. John Stumpf, Wells Fargo, $19.3 million, unchanged

43. Jeffrey Immelt, General Electric, $19.2 million, down 7%

44. George Chapman, Health Care REIT, $18.9 million, up 73%***

45. Glenn Murphy, Gap, $18.7 million, down 24%

46. Robert Niblock, Lowe's Companies, $18.7 million, up 54%

47. Richard Kramer, Goodyear Tire & Rubber, $18.7 million, up 39%

48. Richard Fairbank, Capital One Financial, $18.3 million, down 19%

49. Louis Chenevert, United Technologies, $18.2 million, down 16%

50. Muhtar Kent, Coca-Cola Co., $18.2 million, down 16%

*Jacobs stepped down as CEO on Dec. 13, 2014; **Calhoun stepped down as CEO on Jan. 1, 2014; ***Chapman retired April 14, 2014.