| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| Q1 2024 | 69 | -11.5 | -14.3% | Mar 31, 2024 | |
| Q4 2023 | 74.7 | -4.87 | -6.12% | Dec 31, 2023 | |
| Q3 2023 | 77.4 | -2.06 | -2.59% | Sep 30, 2023 | |
| Q2 2023 | 79.1 | +2.64 | +3.45% | Jun 30, 2023 | |
| Q1 2023 | 80.5 | +9.58 | +13.5% | Mar 31, 2023 | |
| Q4 2022 | 79.6 | +13.6 | +20.5% | Dec 31, 2022 | |
| Q3 2022 | 79.4 | +16.5 | +26.3% | Sep 30, 2022 | |
| Q2 2022 | 76.4 | +14.9 | +24.3% | Jun 30, 2022 | |
| Q1 2022 | 70.9 | +5.63 | +8.62% | Mar 31, 2022 | |
| Q4 2021 | 66 | +0.67 | +1.03% | Dec 31, 2021 | |
| Q3 2021 | 62.9 | -1.99 | -3.07% | Sep 30, 2021 | |
| Q2 2021 | 61.5 | -2.69 | -4.19% | Jun 30, 2021 | |
| Q1 2021 | 65.3 | +4.15 | +6.79% | Mar 31, 2021 | |
| Q4 2020 | 65.4 | +1.49 | +2.33% | Dec 31, 2020 | |
| Q3 2020 | 64.9 | +4.39 | +7.26% | Sep 30, 2020 | |
| Q2 2020 | 64.2 | +6.94 | +12.1% | Jun 30, 2020 | |
| Q1 2020 | 61.1 | +7.01 | +13% | Mar 31, 2020 | |
| Q4 2019 | 63.9 | +13.4 | +26.5% | Dec 31, 2019 | |
| Q3 2019 | 60.5 | +6.4 | +11.8% | Sep 30, 2019 | |
| Q2 2019 | 57.3 | -2.86 | -4.76% | Jun 30, 2019 | |
| Q1 2019 | 54.1 | -9.98 | -15.6% | Mar 31, 2019 | |
| Q4 2018 | 50.5 | -16.5 | -24.6% | Dec 31, 2018 | |
| Q3 2018 | 54.1 | -9.49 | -14.9% | Sep 30, 2018 | |
| Q2 2018 | 60.1 | -0.03 | -0.05% | Jun 30, 2018 | |
| Q1 2018 | 64.1 | -0.09 | -0.14% | Mar 31, 2018 | |
| Q4 2017 | 67 | -2.89 | -4.14% | Dec 31, 2017 | |
| Q3 2017 | 63.6 | -14 | -18% | Sep 30, 2017 | |
| Q2 2017 | 60.2 | -24.4 | -28.8% | Jun 30, 2017 | |
| Q1 2017 | 64.2 | -21.9 | -25.4% | Mar 31, 2017 | |
| Q4 2016 | 69.9 | -17.7 | -20.2% | Dec 31, 2016 | |
| Q3 2016 | 77.6 | -9.57 | -11% | Sep 30, 2016 | |
| Q2 2016 | 84.5 | +7.42 | +9.62% | Jun 30, 2016 | |
| Q1 2016 | 86.1 | +21.3 | +33% | Mar 31, 2016 | |
| Q4 2015 | 87.6 | +31.5 | +56.2% | Dec 31, 2015 | |
| Q3 2015 | 87.1 | +37.1 | +74.2% | Sep 30, 2015 | |
| Q2 2015 | 77.1 | +23.3 | +43.4% | Jun 30, 2015 | |
| Q1 2015 | 64.7 | +3.15 | +5.12% | Mar 31, 2015 | |
| Q4 2014 | 56.1 | -15 | -21.1% | Dec 31, 2014 | |
| Q3 2014 | 50 | -34.4 | -40.7% | Sep 30, 2014 | |
| Q2 2014 | 53.8 | -30.8 | -36.4% | Jun 30, 2014 | |
| Q1 2014 | 61.6 | -22.5 | -26.8% | Mar 31, 2014 | |
| Q4 2013 | 71.1 | -13.1 | -15.6% | Dec 31, 2013 | |
| Q3 2013 | 84.5 | -3.86 | -4.37% | Sep 30, 2013 | |
| Q2 2013 | 84.6 | -7.31 | -7.96% | Jun 30, 2013 | |
| Q1 2013 | 84.1 | -11.8 | -12.3% | Mar 31, 2013 | |
| Q4 2012 | 84.3 | -11.7 | -12.2% | Dec 31, 2012 | |
| Q3 2012 | 88.3 | -3.43 | -3.74% | Sep 30, 2012 | |
| Q2 2012 | 91.9 | +4.53 | +5.19% | Jun 30, 2012 | |
| Q1 2012 | 95.9 | +12.3 | +14.7% | Mar 31, 2012 | |
| Q4 2011 | 96 | +14.5 | +17.8% | Dec 31, 2011 | |
| Q3 2011 | 91.7 | Sep 30, 2011 | |||
| Q2 2011 | 87.3 | Jun 30, 2011 | |||
| Q1 2011 | 83.6 | Mar 31, 2011 | |||
| Q4 2010 | 81.5 | Dec 31, 2010 |