| Iterative number | JAN | FEB | MAR | APR | MAY | JUN |
| 500 | 445.5 | 445.9 | 437.8 | 430.7 | 418.2 | 416.3 |
| 685 | 446.2 | 446.2 | 439.2 | 433.9 | 420.7 | 415.8 |
| 1000 | 456.1 | 446.7 | 439.5 | 434.8 | 422.6 | 417.5 |
| 1500 | 456.3 | 448.8 | 440.3 | 435.3 | 423.8 | 419.3 |
| 2000 | 456.3 | 448.8 | 440.3 | 435.3 | 423.9 | 419.4 |
| Iterative number | JUL | AUG | SEP | OCT | NOV | DEC |
| 500 | 415.3 | 427.4 | 428.4 | 435.2 | 450.4 | 441.3 |
| 685 | 416.9 | 425.7 | 428.1 | 437.6 | 449.6 | 439.5 |
| 1000 | 414.3 | 424.9 | 426.9 | 439.2 | 451.8 | 441.1 |
| 1500 | 415.8 | 423.1 | 427.8 | 438.6 | 450.3 | 440.6 |
| 2000 | 415.9 | 423.1 | 427.8 | 438.7 | 450.4 | 440.6 |