| Date | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 24 | 378.0 | 381.0 | 383.0 | 385.0 | 386.4 | 387.3 | 387.5 | 389.9 | ||||
| 23 | 360.3 | 364.5 | 367.2 | 372.8 | 375.3 | 376.4 | 374.2 | 376.6 | 378.4 | 377.8 | 377.3 | 379.0 |
| 22 | 317.7 | 320.2 | 323.5 | 334.6 | 337.1 | 340.0 | 343.2 | 345.2 | 347.6 | 356.2 | 358.3 | 360.4 |
| 21 | 294.6 | 296.0 | 296.9 | 301.1 | 301.9 | 304.0 | 305.5 | 307.4 | 308.6 | 312.0 | 314.3 | 317.7 |
| 20 | 290.6 | 292.0 | 292.6 | 292.6 | 292.2 | 292.7 | 294.2 | 293.3 | 294.3 | 294.3 | 293.5 | 295.4 |
| 19 | 283.0 | 285.0 | 285.1 | 288.2 | 289.2 | 289.6 | 289.5 | 291.7 | 291.0 | 290.4 | 291.0 | 291.9 |
| 18 | 276.0 | 278.1 | 278.3 | 279.7 | 280.7 | 281.5 | 281.7 | 284.2 | 284.1 | 284.5 | 284.6 | 285.6 |
| 17 | 265.5 | 268.4 | 269.3 | 270.6 | 271.7 | 272.3 | 272.9 | 274.7 | 275.1 | 275.3 | 275.8 | 278.1 |