| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| Q1 2024 | 280 | +10 | +3.72% | Mar 31, 2024 | |
| Q4 2023 | 280 | +12.5 | +4.68% | Dec 31, 2023 | |
| Q3 2023 | 275 | +13.2 | +5.05% | Sep 30, 2023 | |
| Q2 2023 | 271 | +7.5 | +2.84% | Jun 30, 2023 | |
| Q1 2023 | 270 | +5.54 | +2.1% | Mar 31, 2023 | |
| Q4 2022 | 267 | +2.76 | +1.04% | Dec 31, 2022 | |
| Q3 2022 | 262 | -3.99 | -1.5% | Sep 30, 2022 | |
| Q2 2022 | 264 | -7.32 | -2.7% | Jun 30, 2022 | |
| Q1 2022 | 264 | -2.84 | -1.06% | Mar 31, 2022 | |
| Q4 2021 | 264 | +5.34 | +2.06% | Dec 31, 2021 | |
| Q3 2021 | 266 | +19.8 | +8.02% | Sep 30, 2021 | |
| Q2 2021 | 271 | +34.3 | +14.5% | Jun 30, 2021 | |
| Q1 2021 | 267 | +28.1 | +11.7% | Mar 31, 2021 | |
| Q4 2020 | 259 | +11.2 | +4.52% | Dec 31, 2020 | |
| Q3 2020 | 246 | -16.3 | -6.22% | Sep 30, 2020 | |
| Q2 2020 | 237 | -41.5 | -14.9% | Jun 30, 2020 | |
| Q1 2020 | 239 | -54.3 | -18.5% | Mar 31, 2020 | |
| Q4 2019 | 248 | -61.5 | -19.9% | Dec 31, 2019 | |
| Q3 2019 | 263 | -61.3 | -18.9% | Sep 30, 2019 | |
| Q2 2019 | 278 | -53.3 | -16.1% | Jun 30, 2019 | |
| Q1 2019 | 293 | -51.9 | -15% | Mar 31, 2019 | |
| Q4 2018 | 309 | -48.5 | -13.5% | Dec 31, 2018 | |
| Q3 2018 | 324 | -44.6 | -12.1% | Sep 30, 2018 | |
| Q2 2018 | 332 | -39.3 | -10.6% | Jun 30, 2018 | |
| Q1 2018 | 345 | -12 | -3.35% | Mar 31, 2018 | |
| Q4 2017 | 358 | +5.68 | +1.61% | Dec 31, 2017 | |
| Q3 2017 | 369 | +21.9 | +6.31% | Sep 30, 2017 | |
| Q2 2017 | 371 | +27.8 | +8.1% | Jun 30, 2017 | |
| Q1 2017 | 357 | +7.17 | +2.05% | Mar 31, 2017 | |
| Q4 2016 | 352 | +1.46 | +0.42% | Dec 31, 2016 | |
| Q3 2016 | 347 | -6.32 | -1.79% | Sep 30, 2016 | |
| Q2 2016 | 343 | -11.7 | -3.29% | Jun 30, 2016 | |
| Q1 2016 | 350 | -4.32 | -1.22% | Mar 31, 2016 | |
| Q4 2015 | 351 | +2.48 | +0.71% | Dec 31, 2015 | |
| Q3 2015 | 353 | +14.6 | +4.32% | Sep 30, 2015 | |
| Q2 2015 | 355 | +21.7 | +6.52% | Jun 30, 2015 | |
| Q1 2015 | 354 | +23 | +6.93% | Mar 31, 2015 | |
| Q4 2014 | 348 | +16.9 | +5.1% | Dec 31, 2014 | |
| Q3 2014 | 338 | +4.25 | +1.27% | Sep 30, 2014 | |
| Q2 2014 | 333 | +8.32 | +2.56% | Jun 30, 2014 | |
| Q1 2014 | 331 | +19.4 | +6.22% | Mar 31, 2014 | |
| Q4 2013 | 331 | +30.8 | +10.2% | Dec 31, 2013 | |
| Q3 2013 | 334 | +43.8 | +15.1% | Sep 30, 2013 | |
| Q2 2013 | 325 | +38.8 | +13.6% | Jun 30, 2013 | |
| Q1 2013 | 312 | +30.5 | +10.8% | Mar 31, 2013 | |
| Q4 2012 | 300 | +26.3 | +9.58% | Dec 31, 2012 | |
| Q3 2012 | 290 | +26.4 | +9.98% | Sep 30, 2012 | |
| Q2 2012 | 286 | +29.3 | +11.4% | Jun 30, 2012 | |
| Q1 2012 | 281 | +31.5 | +12.6% | Mar 31, 2012 | |
| Q4 2011 | 274 | +19 | +7.44% | Dec 31, 2011 | |
| Q3 2011 | 264 | Sep 30, 2011 | |||
| Q2 2011 | 257 | Jun 30, 2011 | |||
| Q1 2011 | 250 | Mar 31, 2011 | |||
| Q4 2010 | 255 | Dec 31, 2010 |