| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 179 | -15.3 | -7.87% | Mar 31, 2024 |
| Q4 2023 | 182 | -12.3 | -6.33% | Dec 31, 2023 |
| Q3 2023 | 187 | -6.12 | -3.16% | Sep 30, 2023 |
| Q2 2023 | 190 | -2.33 | -1.22% | Jun 30, 2023 |
| Q1 2023 | 194 | +2.26 | +1.18% | Mar 31, 2023 |
| Q4 2022 | 194 | -0.2 | -0.1% | Dec 31, 2022 |
| Q3 2022 | 193 | -11.1 | -5.42% | Sep 30, 2022 |
| Q2 2022 | 192 | -24 | -11.1% | Jun 30, 2022 |
| Q1 2022 | 192 | -32.8 | -14.6% | Mar 31, 2022 |
| Q4 2021 | 194 | -46.4 | -19.3% | Dec 31, 2021 |
| Q3 2021 | 205 | -23.6 | -10.3% | Sep 30, 2021 |
| Q2 2021 | 216 | +0.32 | +0.15% | Jun 30, 2021 |
| Q1 2021 | 224 | +15 | +7.15% | Mar 31, 2021 |
| Q4 2020 | 241 | +51.7 | +27.3% | Dec 31, 2020 |
| Q3 2020 | 228 | +38.9 | +20.5% | Sep 30, 2020 |
| Q2 2020 | 215 | +26.2 | +13.8% | Jun 30, 2020 |
| Q1 2020 | 209 | +23.4 | +12.6% | Mar 31, 2020 |
| Q4 2019 | 189 | +1.72 | +0.92% | Dec 31, 2019 |
| Q3 2019 | 189 | -2.87 | -1.49% | Sep 30, 2019 |
| Q2 2019 | 189 | -4.83 | -2.49% | Jun 30, 2019 |
| Q1 2019 | 186 | -7.25 | -3.75% | Mar 31, 2019 |
| Q4 2018 | 187 | -1.71 | -0.9% | Dec 31, 2018 |
| Q3 2018 | 192 | +9.2 | +5.03% | Sep 30, 2018 |
| Q2 2018 | 194 | +14.7 | +8.17% | Jun 30, 2018 |
| Q1 2018 | 193 | +12.9 | +7.13% | Mar 31, 2018 |
| Q4 2017 | 189 | +8.89 | +4.93% | Dec 31, 2017 |
| Q3 2017 | 183 | +2.55 | +1.41% | Sep 30, 2017 |
| Q2 2017 | 179 | +1.78 | +1% | Jun 30, 2017 |
| Q1 2017 | 180 | +4.13 | +2.34% | Mar 31, 2017 |
| Q4 2016 | 180 | +5.34 | +3.05% | Dec 31, 2016 |
| Q3 2016 | 180 | +19.1 | +11.9% | Sep 30, 2016 |
| Q2 2016 | 178 | +20 | +12.7% | Jun 30, 2016 |
| Q1 2016 | 176 | +26.1 | +17.4% | Mar 31, 2016 |
| Q4 2015 | 175 | +30.6 | +21.2% | Dec 31, 2015 |
| Q3 2015 | 161 | +11.2 | +7.46% | Sep 30, 2015 |
| Q2 2015 | 158 | +6.21 | +4.1% | Jun 30, 2015 |
| Q1 2015 | 150 | -2.05 | -1.35% | Mar 31, 2015 |
| Q4 2014 | 144 | -11.1 | -7.14% | Dec 31, 2014 |
| Q3 2014 | 150 | -7.97 | -5.04% | Sep 30, 2014 |
| Q2 2014 | 151 | -7.73 | -4.86% | Jun 30, 2014 |
| Q1 2014 | 152 | -6.99 | -4.39% | Mar 31, 2014 |
| Q4 2013 | 155 | +0.85 | +0.55% | Dec 31, 2013 |
| Q3 2013 | 158 | +8.52 | +5.7% | Sep 30, 2013 |
| Q2 2013 | 159 | +14.2 | +9.82% | Jun 30, 2013 |
| Q1 2013 | 159 | +7.17 | +4.72% | Mar 31, 2013 |
| Q4 2012 | 155 | -16 | -9.39% | Dec 31, 2012 |
| Q3 2012 | 150 | -47.5 | -24.1% | Sep 30, 2012 |
| Q2 2012 | 145 | -87.6 | -37.7% | Jun 30, 2012 |
| Q1 2012 | 152 | -107 | -41.4% | Mar 31, 2012 |
| Q4 2011 | 171 | Dec 31, 2011 | ||
| Q3 2011 | 197 | Sep 30, 2011 | ||
| Q2 2011 | 233 | Jun 30, 2011 | ||
| Q1 2011 | 259 | Mar 31, 2011 |