| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 44.8 | -4.84 | -9.75% | Sep 30, 2024 |
| Q2 2024 | 46.5 | -1.05 | -2.21% | Jun 30, 2024 |
| Q1 2024 | 47.2 | +1.42 | +3.1% | Mar 31, 2024 |
| Q4 2023 | 48.7 | +3.31 | +7.29% | Dec 31, 2023 |
| Q3 2023 | 49.6 | +4.81 | +10.7% | Sep 30, 2023 |
| Q2 2023 | 47.5 | +2.49 | +5.53% | Jun 30, 2023 |
| Q1 2023 | 45.8 | +2.61 | +6.05% | Mar 31, 2023 |
| Q4 2022 | 45.4 | +1.54 | +3.51% | Dec 31, 2022 |
| Q3 2022 | 44.8 | +2.25 | +5.28% | Sep 30, 2022 |
| Q2 2022 | 45 | +1.15 | +2.62% | Jun 30, 2022 |
| Q1 2022 | 43.2 | -3.75 | -8% | Mar 31, 2022 |
| Q4 2021 | 43.9 | +3.07 | +7.52% | Dec 31, 2021 |
| Q3 2021 | 42.6 | +1.53 | +3.73% | Sep 30, 2021 |
| Q2 2021 | 43.9 | +3.15 | +7.74% | Jun 30, 2021 |
| Q1 2021 | 46.9 | +7.59 | +19.3% | Mar 31, 2021 |
| Q4 2020 | 40.8 | -0.38 | -0.92% | Dec 31, 2020 |
| Q3 2020 | 41.1 | +1.44 | +3.64% | Sep 30, 2020 |
| Q2 2020 | 40.7 | +3.8 | +10.3% | Jun 30, 2020 |
| Q1 2020 | 39.3 | +2.46 | +6.68% | Mar 31, 2020 |
| Q4 2019 | 41.2 | +0.7 | +1.73% | Dec 31, 2019 |
| Q3 2019 | 39.6 | -6.86 | -14.8% | Sep 30, 2019 |
| Q2 2019 | 36.9 | -15.8 | -29.9% | Jun 30, 2019 |
| Q1 2019 | 36.9 | -20.6 | -35.9% | Mar 31, 2019 |
| Q4 2018 | 40.5 | -13.4 | -24.8% | Dec 31, 2018 |
| Q3 2018 | 46.5 | -0.14 | -0.3% | Sep 30, 2018 |
| Q2 2018 | 52.7 | +9.73 | +22.6% | Jun 30, 2018 |
| Q1 2018 | 57.5 | +16.8 | +41.4% | Mar 31, 2018 |
| Q4 2017 | 53.8 | +13.5 | +33.4% | Dec 31, 2017 |
| Q3 2017 | 46.6 | +4.48 | +10.6% | Sep 30, 2017 |
| Q2 2017 | 43 | -0.58 | -1.33% | Jun 30, 2017 |
| Q1 2017 | 40.6 | -3.22 | -7.34% | Mar 31, 2017 |
| Q4 2016 | 40.4 | -5.62 | -12.2% | Dec 31, 2016 |
| Q3 2016 | 42.1 | -8.07 | -16.1% | Sep 30, 2016 |
| Q2 2016 | 43.6 | -11.3 | -20.5% | Jun 30, 2016 |
| Q1 2016 | 43.9 | -18.8 | -30% | Mar 31, 2016 |
| Q4 2015 | 46 | -26.1 | -36.2% | Dec 31, 2015 |
| Q3 2015 | 50.2 | -22.1 | -30.5% | Sep 30, 2015 |
| Q2 2015 | 54.8 | -17.3 | -23.9% | Jun 30, 2015 |
| Q1 2015 | 62.7 | -11.2 | -15.1% | Mar 31, 2015 |
| Q4 2014 | 72.1 | -1.58 | -2.15% | Dec 31, 2014 |
| Q3 2014 | 72.3 | +0.06 | +0.08% | Sep 30, 2014 |
| Q2 2014 | 72.1 | +0.53 | +0.74% | Jun 30, 2014 |
| Q1 2014 | 73.9 | +6.38 | +9.45% | Mar 31, 2014 |
| Q4 2013 | 73.7 | +4.78 | +6.94% | Dec 31, 2013 |
| Q3 2013 | 72.2 | +0.85 | +1.19% | Sep 30, 2013 |
| Q2 2013 | 71.5 | -1.47 | -2.01% | Jun 30, 2013 |
| Q1 2013 | 67.5 | -9.38 | -12.2% | Mar 31, 2013 |
| Q4 2012 | 68.9 | -7.85 | -10.2% | Dec 31, 2012 |
| Q3 2012 | 71.4 | -4.32 | -5.71% | Sep 30, 2012 |
| Q2 2012 | 73 | -2.9 | -3.82% | Jun 30, 2012 |
| Q1 2012 | 76.9 | +2.77 | +3.74% | Mar 31, 2012 |
| Q4 2011 | 76.7 | +3.06 | +4.15% | Dec 31, 2011 |
| Q3 2011 | 75.7 | Sep 30, 2011 | ||
| Q2 2011 | 75.9 | Jun 30, 2011 | ||
| Q1 2011 | 74.1 | Mar 31, 2011 | ||
| Q4 2010 | 73.7 | Dec 31, 2010 |