Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Team | Games | Wins | Losses | Ties | Win Pct. | Playoff berths | Division titles | Postseason record | Super Bowl record |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Dallas Cowboys | 754.0 | 434.0 | 314.0 | 6.0 | .580 | 30.0 | 20.0 | 33-25 | 5-3 |
| Miami Dolphins | 672.0 | 387.0 | 281.0 | 4.0 | .579 | 22.0 | 12.0 | 20-20 | 2-3 |
| Chicago Bears | 1242.0 | 693.0 | 507.0 | 42.0 | .577 | 24.0 | 19.0 | 16-17 | 1-1 |
| Oakland Raiders × | 756.0 | 410.0 | 335.0 | 11.0 | .550 | 21.0 | 15.0 | 25-18 | 3-2 |
| Green Bay Packers | 1208.0 | 654.0 | 518.0 | 36.0 | .558 | 25.0 | 18.0 | 25-16 | 4-1 |
| San Francisco 49ers | 885.0 | 476.0 | 396.0 | 13.0 | .538 | 22.0 | 17.0 | 25-17 | 5-2 |
| Minnesota Vikings | 770.0 | 414.0 | 347.0 | 9.0 | .538 | 25.0 | 18.0 | 18-25 | 0-4 |
| New York Giants | 1206.0 | 639.0 | 534.0 | 33.0 | .530 | 30.0 | 21.0 | 20-24 | 4-1 |
| Baltimore Ravens 3 | 220.0 | 115.0 | 104.0 | 1.0 | .523 | 5.0 | 2.0 | 7-4 | 2-0 |
| Denver Broncos | 773.0 | 404.0 | 359.0 | 10.0 | .522 | 17.0 | 10.0 | 17-15 | 2-4 |
| Cleveland Browns 5 | 842.0 | 439.0 | 393.0 | 10.0 | .521 | 24.0 | 18.0 | 11-20 | 0-0 |
| Jacksonville Jaguars 2 | 236.0 | 123.0 | 113.0 | 0.0 | .521 | 6.0 | 2.0 | 5-6 | 0-0 |
| Indianapolis Colts × | 858.0 | 445.0 | 406.0 | 7.0 | .519 | 22.0 | 15.0 | 17-19 | 2-2 |
| New England Patriots | 775.0 | 399.0 | 367.0 | 9.0 | .515 | 16.0 | 11.0 | 21-13 | 3-4 |
| Kansas City Chiefs | 762.0 | 389.0 | 361.0 | 12.0 | .510 | 15.0 | 7.0 | 8-13 | 1-1 |
| Washington Redskins | 1074.0 | 541.0 | 506.0 | 37.0 | .517 | 22.0 | 13.0 | 23-17 | 3-2 |
| Pittsburgh Steelers | 1099.0 | 557.0 | 521.0 | 21.0 | .507 | 25.0 | 19.0 | 31-19 | 6-2 |
| St. Louis Rams × | 1035.0 | 522.0 | 493.0 | 20.0 | .504 | 27.0 | 18.0 | 19-24 | 1-2 |
| Carolina Panthers 2 | 235.0 | 115.0 | 120.0 | 0.0 | .489 | 4.0 | 3.0 | 6-4 | 0-1 |
| Tennessee Titans × | 774.0 | 377.0 | 391.0 | 6.0 | .487 | 21.0 | 9.0 | 14-19 | 0-1 |
| San Diego Chargers | 766.0 | 373.0 | 382.0 | 11.0 | .487 | 16.0 | 14.0 | 10-15 | 0-1 |
| Seattle Seahawks 1 | 534.0 | 258.0 | 276.0 | 0.0 | .483 | 10.0 | 6.0 | 7-10 | 0-1 |
| Buffalo Bills | 770.0 | 362.0 | 400.0 | 8.0 | .470 | 17.0 | 10.0 | 14-15 | 0-4 |
| Philadelphia Eagles | 1082.0 | 508.0 | 548.0 | 26.0 | .470 | 21.0 | 11.0 | 19-18 | 0-2 |
| Detroit Lions | 1107.0 | 495.0 | 580.0 | 32.0 | .447 | 14.0 | 8.0 | 7-10 | 0-0 |
| New York Jets | 760.0 | 340.0 | 412.0 | 8.0 | .447 | 12.0 | 4.0 | 8-11 | 1-0 |
| Cincinnati Bengals | 642.0 | 277.0 | 363.0 | 2.0 | .431 | 8.0 | 6.0 | 5-8 | 0-2 |
| Atlanta Falcons | 672.0 | 274.0 | 392.0 | 6.0 | .408 | 9.0 | 3.0 | 6-9 | 0-1 |
| New Orleans Saints | 651.0 | 265.0 | 381.0 | 5.0 | .407 | 6.0 | 3.0 | 3-6 | 1-0 |
| Arizona Cardinals × | 1198.0 | 478.0 | 681.0 | 39.0 | .399 | 7.0 | 5.0 | 5-6 | 0-1 |
| Tampa Bay Buccaneers 1 | 532.0 | 211.0 | 320.0 | 1.0 | .397 | 10.0 | 6.0 | 6-9 | 1-0 |
Question:
How many division titles are there when the win pc is .558?
Answer:
18.0