| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 173 | +3.82 | +2.25% | Mar 31, 2024 |
| Q4 2023 | 174 | +7.55 | +4.54% | Dec 31, 2023 |
| Q3 2023 | 172 | +10.3 | +6.34% | Sep 30, 2023 |
| Q2 2023 | 171 | +10.1 | +6.23% | Jun 30, 2023 |
| Q1 2023 | 169 | +8.37 | +5.2% | Mar 31, 2023 |
| Q4 2022 | 166 | +5.61 | +3.49% | Dec 31, 2022 |
| Q3 2022 | 162 | +3.34 | +2.11% | Sep 30, 2022 |
| Q2 2022 | 161 | -4.8 | -2.89% | Jun 30, 2022 |
| Q1 2022 | 161 | -12.4 | -7.14% | Mar 31, 2022 |
| Q4 2021 | 161 | -20.2 | -11.2% | Dec 31, 2021 |
| Q3 2021 | 159 | -39.3 | -19.8% | Sep 30, 2021 |
| Q2 2021 | 166 | -36.8 | -18.1% | Jun 30, 2021 |
| Q1 2021 | 173 | -35.9 | -17.2% | Mar 31, 2021 |
| Q4 2020 | 181 | -51.7 | -22.3% | Dec 31, 2020 |
| Q3 2020 | 198 | -45.1 | -18.6% | Sep 30, 2020 |
| Q2 2020 | 203 | -44.9 | -18.1% | Jun 30, 2020 |
| Q1 2020 | 209 | -41.8 | -16.7% | Mar 31, 2020 |
| Q4 2019 | 232 | -1.51 | -0.65% | Dec 31, 2019 |
| Q3 2019 | 243 | +11 | +4.76% | Sep 30, 2019 |
| Q2 2019 | 248 | +10.8 | +4.57% | Jun 30, 2019 |
| Q1 2019 | 251 | +9.03 | +3.73% | Mar 31, 2019 |
| Q4 2018 | 234 | -18.4 | -7.3% | Dec 31, 2018 |
| Q3 2018 | 232 | -17.4 | -7% | Sep 30, 2018 |
| Q2 2018 | 237 | -2.19 | -0.92% | Jun 30, 2018 |
| Q1 2018 | 242 | +10.5 | +4.54% | Mar 31, 2018 |
| Q4 2017 | 252 | +29.6 | +13.3% | Dec 31, 2017 |
| Q3 2017 | 249 | +45.3 | +22.2% | Sep 30, 2017 |
| Q2 2017 | 239 | +50.1 | +26.5% | Jun 30, 2017 |
| Q1 2017 | 232 | +58.4 | +33.7% | Mar 31, 2017 |
| Q4 2016 | 223 | +58.2 | +35.3% | Dec 31, 2016 |
| Q3 2016 | 204 | +33.8 | +19.9% | Sep 30, 2016 |
| Q2 2016 | 189 | +8.84 | +4.91% | Jun 30, 2016 |
| Q1 2016 | 173 | -24.5 | -12.4% | Mar 31, 2016 |
| Q4 2015 | 165 | -56.9 | -25.7% | Dec 31, 2015 |
| Q3 2015 | 170 | -69.2 | -28.9% | Sep 30, 2015 |
| Q2 2015 | 180 | -71.7 | -28.5% | Jun 30, 2015 |
| Q1 2015 | 198 | -63.4 | -24.3% | Mar 31, 2015 |
| Q4 2014 | 222 | -34.8 | -13.6% | Dec 31, 2014 |
| Q3 2014 | 239 | -16 | -6.27% | Sep 30, 2014 |
| Q2 2014 | 252 | -3.57 | -1.4% | Jun 30, 2014 |
| Q1 2014 | 261 | -2.76 | -1.05% | Mar 31, 2014 |
| Q4 2013 | 256 | -22.6 | -8.12% | Dec 31, 2013 |
| Q3 2013 | 255 | -35.9 | -12.3% | Sep 30, 2013 |
| Q2 2013 | 255 | -46.2 | -15.3% | Jun 30, 2013 |
| Q1 2013 | 264 | -39.9 | -13.1% | Mar 31, 2013 |
| Q4 2012 | 279 | -24 | -7.91% | Dec 31, 2012 |
| Q3 2012 | 291 | +10.3 | +3.66% | Sep 30, 2012 |
| Q2 2012 | 302 | +37 | +14% | Jun 30, 2012 |
| Q1 2012 | 304 | +55 | +22.1% | Mar 31, 2012 |
| Q4 2011 | 303 | +72 | +31.2% | Dec 31, 2011 |
| Q3 2011 | 281 | Sep 30, 2011 | ||
| Q2 2011 | 265 | Jun 30, 2011 | ||
| Q1 2011 | 249 | Mar 31, 2011 | ||
| Q4 2010 | 231 | Dec 31, 2010 |