| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 186 | -14.7 | -7.33% | Mar 31, 2024 |
| Q4 2023 | 202 | +6.3 | +3.22% | Dec 31, 2023 |
| Q3 2023 | 198 | +0.61 | +0.31% | Sep 30, 2023 |
| Q2 2023 | 200 | +5.29 | +2.71% | Jun 30, 2023 |
| Q1 2023 | 201 | +10.9 | +5.74% | Mar 31, 2023 |
| Q4 2022 | 196 | +5.88 | +3.1% | Dec 31, 2022 |
| Q3 2022 | 197 | +10.5 | +5.63% | Sep 30, 2022 |
| Q2 2022 | 195 | +18.1 | +10.2% | Jun 30, 2022 |
| Q1 2022 | 190 | +21.7 | +12.9% | Mar 31, 2022 |
| Q4 2021 | 190 | +15.2 | +8.68% | Dec 31, 2021 |
| Q3 2021 | 186 | +10.1 | +5.73% | Sep 30, 2021 |
| Q2 2021 | 177 | -9.13 | -4.9% | Jun 30, 2021 |
| Q1 2021 | 168 | -26.3 | -13.5% | Mar 31, 2021 |
| Q4 2020 | 175 | -12.6 | -6.75% | Dec 31, 2020 |
| Q3 2020 | 176 | -10.1 | -5.41% | Sep 30, 2020 |
| Q2 2020 | 186 | +1.13 | +0.61% | Jun 30, 2020 |
| Q1 2020 | 195 | +6.27 | +3.33% | Mar 31, 2020 |
| Q4 2019 | 187 | -3.63 | -1.9% | Dec 31, 2019 |
| Q3 2019 | 186 | -3.38 | -1.78% | Sep 30, 2019 |
| Q2 2019 | 185 | -4.42 | -2.33% | Jun 30, 2019 |
| Q1 2019 | 188 | -3.69 | -1.92% | Mar 31, 2019 |
| Q4 2018 | 191 | -2.94 | -1.52% | Dec 31, 2018 |
| Q3 2018 | 190 | -9.29 | -4.67% | Sep 30, 2018 |
| Q2 2018 | 189 | -18 | -8.66% | Jun 30, 2018 |
| Q1 2018 | 192 | -18.5 | -8.8% | Mar 31, 2018 |
| Q4 2017 | 194 | -18.7 | -8.82% | Dec 31, 2017 |
| Q3 2017 | 199 | -13.2 | -6.21% | Sep 30, 2017 |
| Q2 2017 | 207 | -3.3 | -1.57% | Jun 30, 2017 |
| Q1 2017 | 210 | +1.08 | +0.52% | Mar 31, 2017 |
| Q4 2016 | 213 | +7.75 | +3.78% | Dec 31, 2016 |
| Q3 2016 | 212 | +3.58 | +1.72% | Sep 30, 2016 |
| Q2 2016 | 211 | +0.62 | +0.3% | Jun 30, 2016 |
| Q1 2016 | 209 | +1.38 | +0.66% | Mar 31, 2016 |
| Q4 2015 | 205 | -1.82 | -0.88% | Dec 31, 2015 |
| Q3 2015 | 209 | +8.17 | +4.07% | Sep 30, 2015 |
| Q2 2015 | 210 | +13.2 | +6.72% | Jun 30, 2015 |
| Q1 2015 | 208 | +15.9 | +8.28% | Mar 31, 2015 |
| Q4 2014 | 207 | +15.1 | +7.9% | Dec 31, 2014 |
| Q3 2014 | 201 | +10 | +5.26% | Sep 30, 2014 |
| Q2 2014 | 197 | +0.54 | +0.28% | Jun 30, 2014 |
| Q1 2014 | 192 | -12.4 | -6.06% | Mar 31, 2014 |
| Q4 2013 | 192 | -19.1 | -9.07% | Dec 31, 2013 |
| Q3 2013 | 191 | -27.7 | -12.7% | Sep 30, 2013 |
| Q2 2013 | 196 | -20.8 | -9.56% | Jun 30, 2013 |
| Q1 2013 | 204 | -8.98 | -4.21% | Mar 31, 2013 |
| Q4 2012 | 211 | -2.62 | -1.23% | Dec 31, 2012 |
| Q3 2012 | 218 | +10.1 | +4.84% | Sep 30, 2012 |
| Q2 2012 | 217 | +6.76 | +3.21% | Jun 30, 2012 |
| Q1 2012 | 213 | -3.31 | -1.53% | Mar 31, 2012 |
| Q4 2011 | 213 | Dec 31, 2011 | ||
| Q3 2011 | 208 | Sep 30, 2011 | ||
| Q2 2011 | 210 | Jun 30, 2011 | ||
| Q1 2011 | 217 | Mar 31, 2011 |