Original: 2005 was the fourth time that Davenport ended the year ranked No. 1 , joining Steffi Graf , Martina Navratilova and Chris Evert as the only female players to end a year ranked first at least four times .
Simplified: She is one of only four women ( the others being Steffi Graf , Martina Navratilova , and Chris Evert ) since 1975 who has been the year-end World No. 1 at least four times .