| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 73.3 | -5.55 | -7.04% | Sep 30, 2024 |
| Q2 2024 | 76.7 | -2.67 | -3.36% | Jun 30, 2024 |
| Q1 2024 | 77 | -4.58 | -5.62% | Mar 31, 2024 |
| Q4 2023 | 76.9 | -5.33 | -6.48% | Dec 31, 2023 |
| Q3 2023 | 78.9 | +3.98 | +5.32% | Sep 30, 2023 |
| Q2 2023 | 79.4 | +10.7 | +15.6% | Jun 30, 2023 |
| Q1 2023 | 81.5 | +22.3 | +37.6% | Mar 31, 2023 |
| Q4 2022 | 82.3 | +31.4 | +61.9% | Dec 31, 2022 |
| Q3 2022 | 74.9 | +28.6 | +61.6% | Sep 30, 2022 |
| Q2 2022 | 68.7 | +24.8 | +56.6% | Jun 30, 2022 |
| Q1 2022 | 59.3 | +13.7 | +30.1% | Mar 31, 2022 |
| Q4 2021 | 50.8 | +4.45 | +9.6% | Dec 31, 2021 |
| Q3 2021 | 46.3 | -2.5 | -5.12% | Sep 30, 2021 |
| Q2 2021 | 43.9 | -5.98 | -12% | Jun 30, 2021 |
| Q1 2021 | 45.6 | -2.26 | -4.73% | Mar 31, 2021 |
| Q4 2020 | 46.4 | -0.78 | -1.65% | Dec 31, 2020 |
| Q3 2020 | 48.8 | +3.73 | +8.27% | Sep 30, 2020 |
| Q2 2020 | 49.8 | +5.88 | +13.4% | Jun 30, 2020 |
| Q1 2020 | 47.8 | +3.21 | +7.2% | Mar 31, 2020 |
| Q4 2019 | 47.2 | +2.1 | +4.66% | Dec 31, 2019 |
| Q3 2019 | 45.1 | +0.19 | +0.42% | Sep 30, 2019 |
| Q2 2019 | 44 | +0.02 | +0.05% | Jun 30, 2019 |
| Q1 2019 | 44.6 | +3.4 | +8.25% | Mar 31, 2019 |
| Q4 2018 | 45.1 | +7.1 | +18.7% | Dec 31, 2018 |
| Q3 2018 | 44.9 | +9.79 | +27.9% | Sep 30, 2018 |
| Q2 2018 | 43.9 | +8.9 | +25.4% | Jun 30, 2018 |
| Q1 2018 | 41.2 | +5.84 | +16.5% | Mar 31, 2018 |
| Q4 2017 | 38 | +4.14 | +12.2% | Dec 31, 2017 |
| Q3 2017 | 35.1 | +0.54 | +1.56% | Sep 30, 2017 |
| Q2 2017 | 35 | +1.44 | +4.29% | Jun 30, 2017 |
| Q1 2017 | 35.4 | +1.33 | +3.91% | Mar 31, 2017 |
| Q4 2016 | 33.8 | -1.69 | -4.76% | Dec 31, 2016 |
| Q3 2016 | 34.6 | -2.92 | -7.79% | Sep 30, 2016 |
| Q2 2016 | 33.6 | -9.33 | -21.7% | Jun 30, 2016 |
| Q1 2016 | 34 | -12.7 | -27.2% | Mar 31, 2016 |
| Q4 2015 | 35.5 | -16.9 | -32.2% | Dec 31, 2015 |
| Q3 2015 | 37.5 | -19.5 | -34.2% | Sep 30, 2015 |
| Q2 2015 | 42.9 | -14.3 | -25% | Jun 30, 2015 |
| Q1 2015 | 46.8 | -14.5 | -23.6% | Mar 31, 2015 |
| Q4 2014 | 52.4 | -11.8 | -18.3% | Dec 31, 2014 |
| Q3 2014 | 57 | -7.12 | -11.1% | Sep 30, 2014 |
| Q2 2014 | 57.2 | -8.8 | -13.3% | Jun 30, 2014 |
| Q1 2014 | 61.2 | -4.48 | -6.82% | Mar 31, 2014 |
| Q4 2013 | 64.2 | -0.79 | -1.22% | Dec 31, 2013 |
| Q3 2013 | 64.1 | +1.97 | +3.17% | Sep 30, 2013 |
| Q2 2013 | 66 | -2.45 | -3.58% | Jun 30, 2013 |
| Q1 2013 | 65.7 | -8.68 | -11.7% | Mar 31, 2013 |
| Q4 2012 | 65 | -21.9 | -25.2% | Dec 31, 2012 |
| Q3 2012 | 62.1 | -33.7 | -35.1% | Sep 30, 2012 |
| Q2 2012 | 68.5 | -28.8 | -29.6% | Jun 30, 2012 |
| Q1 2012 | 74.4 | -20.6 | -21.7% | Mar 31, 2012 |
| Q4 2011 | 86.9 | Dec 31, 2011 | ||
| Q3 2011 | 95.8 | Sep 30, 2011 | ||
| Q2 2011 | 97.3 | Jun 30, 2011 | ||
| Q1 2011 | 95 | Mar 31, 2011 |