| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| Q1 2024 | 90.2 | +0.99 | +1.11% | Mar 31, 2024 | |
| Q4 2023 | 93 | -1.52 | -1.61% | Dec 31, 2023 | |
| Q3 2023 | 81.8 | -15.3 | -15.8% | Sep 30, 2023 | |
| Q2 2023 | 78.8 | -21.9 | -21.7% | Jun 30, 2023 | |
| Q1 2023 | 89.2 | -11.2 | -11.2% | Mar 31, 2023 | |
| Q4 2022 | 94.6 | -7.72 | -7.55% | Dec 31, 2022 | |
| Q3 2022 | 97.1 | -10.6 | -9.83% | Sep 30, 2022 | |
| Q2 2022 | 101 | -10.2 | -9.19% | Jun 30, 2022 | |
| Q1 2022 | 100 | -14 | -12.2% | Mar 31, 2022 | |
| Q4 2021 | 102 | -8.67 | -7.81% | Dec 31, 2021 | |
| Q3 2021 | 108 | +1.37 | +1.29% | Sep 30, 2021 | |
| Q2 2021 | 111 | +19.4 | +21.2% | Jun 30, 2021 | |
| Q1 2021 | 114 | +32.2 | +39.1% | Mar 31, 2021 | |
| Q4 2020 | 111 | +34.7 | +45.4% | Dec 31, 2020 | |
| Q3 2020 | 106 | +34.2 | +47.3% | Sep 30, 2020 | |
| Q2 2020 | 91.5 | +16.2 | +21.5% | Jun 30, 2020 | |
| Q1 2020 | 82.2 | +6.27 | +8.26% | Mar 31, 2020 | |
| Q4 2019 | 76.3 | -9.19 | -10.8% | Dec 31, 2019 | |
| Q3 2019 | 72.2 | -16.7 | -18.8% | Sep 30, 2019 | |
| Q2 2019 | 75.3 | -12.7 | -14.4% | Jun 30, 2019 | |
| Q1 2019 | 75.9 | -12.5 | -14.1% | Mar 31, 2019 | |
| Q4 2018 | 85.5 | -0.83 | -0.96% | Dec 31, 2018 | |
| Q3 2018 | 88.8 | -0.83 | -0.93% | Sep 30, 2018 | |
| Q2 2018 | 88 | -6.84 | -7.22% | Jun 30, 2018 | |
| Q1 2018 | 88.4 | -12.2 | -12.1% | Mar 31, 2018 | |
| Q4 2017 | 86.3 | -17.3 | -16.7% | Dec 31, 2017 | |
| Q3 2017 | 89.7 | -17.9 | -16.6% | Sep 30, 2017 | |
| Q2 2017 | 94.8 | -7.34 | -7.19% | Jun 30, 2017 | |
| Q1 2017 | 101 | -2.44 | -2.37% | Mar 31, 2017 | |
| Q4 2016 | 104 | +2.02 | +1.99% | Dec 31, 2016 | |
| Q3 2016 | 108 | -2.58 | -2.34% | Sep 30, 2016 | |
| Q2 2016 | 102 | -24.2 | -19.1% | Jun 30, 2016 | |
| Q1 2016 | 103 | -31 | -23.1% | Mar 31, 2016 | |
| Q4 2015 | 102 | -41 | -28.7% | Dec 31, 2015 | |
| Q3 2015 | 110 | -27.4 | -19.9% | Sep 30, 2015 | |
| Q2 2015 | 126 | -1.98 | -1.54% | Jun 30, 2015 | |
| Q1 2015 | 134 | +11.2 | +9.13% | Mar 31, 2015 | |
| Q4 2014 | 143 | +23.2 | +19.4% | Dec 31, 2014 | |
| Q3 2014 | 138 | +25.2 | +22.4% | Sep 30, 2014 | |
| Q2 2014 | 128 | +12.3 | +10.6% | Jun 30, 2014 | |
| Q1 2014 | 123 | +8.8 | +7.72% | Mar 31, 2014 | |
| Q4 2013 | 119 | +5.57 | +4.9% | Dec 31, 2013 | |
| Q3 2013 | 112 | -0.57 | -0.51% | Sep 30, 2013 | |
| Q2 2013 | 116 | +9.86 | +9.29% | Jun 30, 2013 | |
| Q1 2013 | 114 | +1.74 | +1.55% | Mar 31, 2013 | |
| Q4 2012 | 114 | +2.73 | +2.46% | Dec 31, 2012 | |
| Q3 2012 | 113 | -2.13 | -1.85% | Sep 30, 2012 | |
| Q2 2012 | 106 | -19.6 | -15.6% | Jun 30, 2012 | |
| Q1 2012 | 112 | -10.5 | -8.58% | Mar 31, 2012 | |
| Q4 2011 | 111 | -12.4 | -10% | Dec 31, 2011 | |
| Q3 2011 | 115 | Sep 30, 2011 | |||
| Q2 2011 | 126 | Jun 30, 2011 | |||
| Q1 2011 | 123 | Mar 31, 2011 | |||
| Q4 2010 | 123 | Dec 31, 2010 |