| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 57 | -10 | -14.9% | Jun 30, 2024 |
| Q1 2024 | 59.7 | -5.75 | -8.79% | Mar 31, 2024 |
| Q4 2023 | 63.9 | +1.4 | +2.24% | Dec 31, 2023 |
| Q3 2023 | 67.5 | +5.02 | +8.04% | Sep 30, 2023 |
| Q2 2023 | 67 | +6.83 | +11.3% | Jun 30, 2023 |
| Q1 2023 | 65.4 | +7.56 | +13.1% | Mar 31, 2023 |
| Q4 2022 | 62.5 | +4.42 | +7.61% | Dec 31, 2022 |
| Q3 2022 | 62.5 | +5.58 | +9.81% | Sep 30, 2022 |
| Q2 2022 | 60.2 | +1.13 | +1.91% | Jun 30, 2022 |
| Q1 2022 | 57.9 | -4.89 | -7.79% | Mar 31, 2022 |
| Q4 2021 | 58.1 | -8.78 | -13.1% | Dec 31, 2021 |
| Q3 2021 | 56.9 | -14.6 | -20.4% | Sep 30, 2021 |
| Q2 2021 | 59.1 | -16.3 | -21.6% | Jun 30, 2021 |
| Q1 2021 | 62.8 | -15.5 | -19.8% | Mar 31, 2021 |
| Q4 2020 | 66.9 | -14.7 | -18% | Dec 31, 2020 |
| Q3 2020 | 71.5 | -11.6 | -14% | Sep 30, 2020 |
| Q2 2020 | 75.3 | -5.82 | -7.17% | Jun 30, 2020 |
| Q1 2020 | 78.3 | -0.61 | -0.77% | Mar 31, 2020 |
| Q4 2019 | 81.5 | +7.27 | +9.79% | Dec 31, 2019 |
| Q3 2019 | 83.1 | +13.2 | +18.8% | Sep 30, 2019 |
| Q2 2019 | 81.1 | +13.1 | +19.2% | Jun 30, 2019 |
| Q1 2019 | 78.9 | +11.1 | +16.3% | Mar 31, 2019 |
| Q4 2018 | 74.3 | +5.1 | +7.38% | Dec 31, 2018 |
| Q3 2018 | 69.9 | -1.32 | -1.85% | Sep 30, 2018 |
| Q2 2018 | 68.1 | -4.82 | -6.61% | Jun 30, 2018 |
| Q1 2018 | 67.8 | -3.4 | -4.77% | Mar 31, 2018 |
| Q4 2017 | 69.2 | -0.21 | -0.3% | Dec 31, 2017 |
| Q3 2017 | 71.3 | +5.07 | +7.66% | Sep 30, 2017 |
| Q2 2017 | 72.9 | +7.05 | +10.7% | Jun 30, 2017 |
| Q1 2017 | 71.2 | +1 | +1.42% | Mar 31, 2017 |
| Q4 2016 | 69.4 | -6.51 | -8.58% | Dec 31, 2016 |
| Q3 2016 | 66.2 | -15.8 | -19.3% | Sep 30, 2016 |
| Q2 2016 | 65.8 | -19.9 | -23.2% | Jun 30, 2016 |
| Q1 2016 | 70.2 | -18.9 | -21.2% | Mar 31, 2016 |
| Q4 2015 | 75.9 | -13.8 | -15.4% | Dec 31, 2015 |
| Q3 2015 | 82 | -7.25 | -8.12% | Sep 30, 2015 |
| Q2 2015 | 85.8 | -4.01 | -4.47% | Jun 30, 2015 |
| Q1 2015 | 89.2 | +1.94 | +2.23% | Mar 31, 2015 |
| Q4 2014 | 89.6 | +4.76 | +5.61% | Dec 31, 2014 |
| Q3 2014 | 89.3 | +3.28 | +3.82% | Sep 30, 2014 |
| Q2 2014 | 89.8 | +3.59 | +4.17% | Jun 30, 2014 |
| Q1 2014 | 87.2 | +0.92 | +1.07% | Mar 31, 2014 |
| Q4 2013 | 84.9 | -1.37 | -1.59% | Dec 31, 2013 |
| Q3 2013 | 86 | -0.72 | -0.83% | Sep 30, 2013 |
| Q2 2013 | 86.2 | +7.03 | +8.88% | Jun 30, 2013 |
| Q1 2013 | 86.3 | +14.7 | +20.6% | Mar 31, 2013 |
| Q4 2012 | 86.3 | +18.5 | +27.2% | Dec 31, 2012 |
| Q3 2012 | 86.7 | +23.7 | +37.6% | Sep 30, 2012 |
| Q2 2012 | 79.2 | +14 | +21.4% | Jun 30, 2012 |
| Q1 2012 | 71.5 | +4.19 | +6.22% | Mar 31, 2012 |
| Q4 2011 | 67.8 | Dec 31, 2011 | ||
| Q3 2011 | 63 | Sep 30, 2011 | ||
| Q2 2011 | 65.2 | Jun 30, 2011 | ||
| Q1 2011 | 67.4 | Mar 31, 2011 |