| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 159 | +8.32 | +5.53% | Mar 31, 2024 |
| Q4 2023 | 155 | +3.58 | +2.36% | Dec 31, 2023 |
| Q3 2023 | 155 | +0.62 | +0.4% | Sep 30, 2023 |
| Q2 2023 | 152 | -5.82 | -3.68% | Jun 30, 2023 |
| Q1 2023 | 150 | -11.4 | -7.05% | Mar 31, 2023 |
| Q4 2022 | 152 | -13.5 | -8.18% | Dec 31, 2022 |
| Q3 2022 | 154 | -12.4 | -7.44% | Sep 30, 2022 |
| Q2 2022 | 158 | -15.1 | -8.72% | Jun 30, 2022 |
| Q1 2022 | 162 | -22.5 | -12.2% | Mar 31, 2022 |
| Q4 2021 | 165 | -18 | -9.8% | Dec 31, 2021 |
| Q3 2021 | 166 | -17.6 | -9.58% | Sep 30, 2021 |
| Q2 2021 | 173 | -2.35 | -1.34% | Jun 30, 2021 |
| Q1 2021 | 184 | +19.8 | +12% | Mar 31, 2021 |
| Q4 2020 | 183 | +17.9 | +10.9% | Dec 31, 2020 |
| Q3 2020 | 184 | +19.8 | +12.1% | Sep 30, 2020 |
| Q2 2020 | 176 | +11.4 | +6.92% | Jun 30, 2020 |
| Q1 2020 | 165 | +0.51 | +0.31% | Mar 31, 2020 |
| Q4 2019 | 165 | -0.6 | -0.36% | Dec 31, 2019 |
| Q3 2019 | 164 | -2.47 | -1.48% | Sep 30, 2019 |
| Q2 2019 | 164 | -4.2 | -2.49% | Jun 30, 2019 |
| Q1 2019 | 164 | -7.37 | -4.3% | Mar 31, 2019 |
| Q4 2018 | 166 | -1.84 | -1.1% | Dec 31, 2018 |
| Q3 2018 | 167 | -3.7 | -2.17% | Sep 30, 2018 |
| Q2 2018 | 168 | -10.4 | -5.79% | Jun 30, 2018 |
| Q1 2018 | 171 | -16.4 | -8.74% | Mar 31, 2018 |
| Q4 2017 | 168 | -39.1 | -18.9% | Dec 31, 2017 |
| Q3 2017 | 170 | -46.8 | -21.6% | Sep 30, 2017 |
| Q2 2017 | 179 | -41.9 | -19% | Jun 30, 2017 |
| Q1 2017 | 188 | -34.8 | -15.6% | Mar 31, 2017 |
| Q4 2016 | 207 | -16.6 | -7.44% | Dec 31, 2016 |
| Q3 2016 | 217 | -9.09 | -4.02% | Sep 30, 2016 |
| Q2 2016 | 221 | -9.88 | -4.29% | Jun 30, 2016 |
| Q1 2016 | 223 | -12.5 | -5.32% | Mar 31, 2016 |
| Q4 2015 | 224 | -14.7 | -6.15% | Dec 31, 2015 |
| Q3 2015 | 226 | -15.6 | -6.44% | Sep 30, 2015 |
| Q2 2015 | 231 | -10.5 | -4.36% | Jun 30, 2015 |
| Q1 2015 | 235 | -1.49 | -0.63% | Mar 31, 2015 |
| Q4 2014 | 238 | +4.79 | +2.05% | Dec 31, 2014 |
| Q3 2014 | 242 | +14.1 | +6.21% | Sep 30, 2014 |
| Q2 2014 | 241 | +21.2 | +9.66% | Jun 30, 2014 |
| Q1 2014 | 237 | +23.3 | +10.9% | Mar 31, 2014 |
| Q4 2013 | 233 | +27.2 | +13.2% | Dec 31, 2013 |
| Q3 2013 | 228 | +25.2 | +12.4% | Sep 30, 2013 |
| Q2 2013 | 220 | +19.8 | +9.91% | Jun 30, 2013 |
| Q1 2013 | 213 | +15.5 | +7.81% | Mar 31, 2013 |
| Q4 2012 | 206 | +8.37 | +4.23% | Dec 31, 2012 |
| Q3 2012 | 203 | +4.67 | +2.36% | Sep 30, 2012 |
| Q2 2012 | 200 | Jun 30, 2012 | ||
| Q1 2012 | 198 | Mar 31, 2012 | ||
| Q4 2011 | 198 | Dec 31, 2011 | ||
| Q3 2011 | 198 | Sep 30, 2011 |