| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 393 | +2.44 | +0.62% | Mar 31, 2024 |
| Q4 2023 | 388 | -3.27 | -0.84% | Dec 31, 2023 |
| Q3 2023 | 387 | +1.95 | +0.51% | Sep 30, 2023 |
| Q2 2023 | 392 | +12.2 | +3.22% | Jun 30, 2023 |
| Q1 2023 | 391 | +12 | +3.16% | Mar 31, 2023 |
| Q4 2022 | 391 | +6.55 | +1.7% | Dec 31, 2022 |
| Q3 2022 | 386 | +4.43 | +1.16% | Sep 30, 2022 |
| Q2 2022 | 380 | +7.21 | +1.94% | Jun 30, 2022 |
| Q1 2022 | 379 | +11.9 | +3.24% | Mar 31, 2022 |
| Q4 2021 | 385 | +25.9 | +7.21% | Dec 31, 2021 |
| Q3 2021 | 381 | +23.3 | +6.5% | Sep 30, 2021 |
| Q2 2021 | 373 | +13.9 | +3.87% | Jun 30, 2021 |
| Q1 2021 | 367 | +7.91 | +2.2% | Mar 31, 2021 |
| Q4 2020 | 359 | +5.27 | +1.49% | Dec 31, 2020 |
| Q3 2020 | 358 | +10.4 | +2.98% | Sep 30, 2020 |
| Q2 2020 | 359 | +22.2 | +6.6% | Jun 30, 2020 |
| Q1 2020 | 359 | +33.4 | +10.2% | Mar 31, 2020 |
| Q4 2019 | 354 | +40.5 | +12.9% | Dec 31, 2019 |
| Q3 2019 | 347 | +37.2 | +12% | Sep 30, 2019 |
| Q2 2019 | 336 | +7.99 | +2.43% | Jun 30, 2019 |
| Q1 2019 | 326 | -23.9 | -6.84% | Mar 31, 2019 |
| Q4 2018 | 313 | -63.7 | -16.9% | Dec 31, 2018 |
| Q3 2018 | 310 | -98.7 | -24.1% | Sep 30, 2018 |
| Q2 2018 | 328 | -86.5 | -20.9% | Jun 30, 2018 |
| Q1 2018 | 350 | -74.9 | -17.6% | Mar 31, 2018 |
| Q4 2017 | 377 | -54.6 | -12.7% | Dec 31, 2017 |
| Q3 2017 | 409 | -25.3 | -5.83% | Sep 30, 2017 |
| Q2 2017 | 415 | -26.4 | -5.99% | Jun 30, 2017 |
| Q1 2017 | 424 | -14.9 | -3.4% | Mar 31, 2017 |
| Q4 2016 | 432 | -10 | -2.27% | Dec 31, 2016 |
| Q3 2016 | 434 | -4.22 | -0.96% | Sep 30, 2016 |
| Q2 2016 | 441 | +10.9 | +2.54% | Jun 30, 2016 |
| Q1 2016 | 439 | +16.6 | +3.93% | Mar 31, 2016 |
| Q4 2015 | 442 | +31.3 | +7.63% | Dec 31, 2015 |
| Q3 2015 | 439 | +42.6 | +10.8% | Sep 30, 2015 |
| Q2 2015 | 430 | +41.4 | +10.7% | Jun 30, 2015 |
| Q1 2015 | 423 | +34.5 | +8.88% | Mar 31, 2015 |
| Q4 2014 | 410 | +22.1 | +5.69% | Dec 31, 2014 |
| Q3 2014 | 396 | +2.69 | +0.68% | Sep 30, 2014 |
| Q2 2014 | 389 | -8.61 | -2.17% | Jun 30, 2014 |
| Q1 2014 | 388 | -10.2 | -2.56% | Mar 31, 2014 |
| Q4 2013 | 388 | -7.86 | -1.98% | Dec 31, 2013 |
| Q3 2013 | 393 | -11 | -2.71% | Sep 30, 2013 |
| Q2 2013 | 398 | -6.28 | -1.56% | Jun 30, 2013 |
| Q1 2013 | 398 | +2.67 | +0.68% | Mar 31, 2013 |
| Q4 2012 | 396 | +4.35 | +1.11% | Dec 31, 2012 |
| Q3 2012 | 404 | +20 | +5.21% | Sep 30, 2012 |
| Q2 2012 | 404 | +27.4 | +7.26% | Jun 30, 2012 |
| Q1 2012 | 396 | +16.1 | +4.24% | Mar 31, 2012 |
| Q4 2011 | 392 | Dec 31, 2011 | ||
| Q3 2011 | 384 | Sep 30, 2011 | ||
| Q2 2011 | 377 | Jun 30, 2011 | ||
| Q1 2011 | 380 | Mar 31, 2011 |