| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| Q1 2024 | 39.4 | -9.67 | -19.7% | Mar 31, 2024 | |
| Q4 2023 | 41.1 | -11.7 | -22.2% | Dec 31, 2023 | |
| Q3 2023 | 43.2 | -12.7 | -22.7% | Sep 30, 2023 | |
| Q2 2023 | 46 | -12.6 | -21.5% | Jun 30, 2023 | |
| Q1 2023 | 49 | -11.7 | -19.3% | Mar 31, 2023 | |
| Q4 2022 | 52.8 | -8.83 | -14.3% | Dec 31, 2022 | |
| Q3 2022 | 55.9 | -7.47 | -11.8% | Sep 30, 2022 | |
| Q2 2022 | 58.5 | -6.3 | -9.72% | Jun 30, 2022 | |
| Q1 2022 | 60.7 | -5.37 | -8.12% | Mar 31, 2022 | |
| Q4 2021 | 61.6 | -12.5 | -16.8% | Dec 31, 2021 | |
| Q3 2021 | 63.4 | -12.9 | -16.9% | Sep 30, 2021 | |
| Q2 2021 | 64.8 | -18 | -21.8% | Jun 30, 2021 | |
| Q1 2021 | 66.1 | -22.6 | -25.5% | Mar 31, 2021 | |
| Q4 2020 | 74 | -14 | -15.9% | Dec 31, 2020 | |
| Q3 2020 | 76.3 | -18 | -19.1% | Sep 30, 2020 | |
| Q2 2020 | 82.9 | -13.2 | -13.7% | Jun 30, 2020 | |
| Q1 2020 | 88.8 | -9.58 | -9.74% | Mar 31, 2020 | |
| Q4 2019 | 88.1 | -12.7 | -12.6% | Dec 31, 2019 | |
| Q3 2019 | 94.3 | -9.15 | -8.85% | Sep 30, 2019 | |
| Q2 2019 | 96.1 | -9.77 | -9.23% | Jun 30, 2019 | |
| Q1 2019 | 98.3 | -10.7 | -9.82% | Mar 31, 2019 | |
| Q4 2018 | 101 | -8.25 | -7.57% | Dec 31, 2018 | |
| Q3 2018 | 103 | -4.96 | -4.58% | Sep 30, 2018 | |
| Q2 2018 | 106 | -2.15 | -1.99% | Jun 30, 2018 | |
| Q1 2018 | 109 | +2.73 | +2.57% | Mar 31, 2018 | |
| Q4 2017 | 109 | +0.93 | +0.86% | Dec 31, 2017 | |
| Q3 2017 | 108 | -2.18 | -1.97% | Sep 30, 2017 | |
| Q2 2017 | 108 | -5.26 | -4.64% | Jun 30, 2017 | |
| Q1 2017 | 106 | -10.3 | -8.83% | Mar 31, 2017 | |
| Q4 2016 | 108 | -7.98 | -6.87% | Dec 31, 2016 | |
| Q3 2016 | 111 | -4.63 | -4.02% | Sep 30, 2016 | |
| Q2 2016 | 113 | -0.19 | -0.17% | Jun 30, 2016 | |
| Q1 2016 | 117 | +4.94 | +4.42% | Mar 31, 2016 | |
| Q4 2015 | 116 | +2.34 | +2.06% | Dec 31, 2015 | |
| Q3 2015 | 115 | -5.21 | -4.33% | Sep 30, 2015 | |
| Q2 2015 | 113 | -12 | -9.56% | Jun 30, 2015 | |
| Q1 2015 | 112 | -19.2 | -14.7% | Mar 31, 2015 | |
| Q4 2014 | 114 | -25.8 | -18.5% | Dec 31, 2014 | |
| Q3 2014 | 120 | -16.6 | -12.1% | Sep 30, 2014 | |
| Q2 2014 | 125 | -14.1 | -10.1% | Jun 30, 2014 | |
| Q1 2014 | 131 | -12.1 | -8.47% | Mar 31, 2014 | |
| Q4 2013 | 140 | -3.16 | -2.22% | Dec 31, 2013 | |
| Q3 2013 | 137 | -12.7 | -8.47% | Sep 30, 2013 | |
| Q2 2013 | 140 | -9.94 | -6.65% | Jun 30, 2013 | |
| Q1 2013 | 143 | -5.35 | -3.61% | Mar 31, 2013 | |
| Q4 2012 | 143 | Dec 31, 2012 | |||
| Q3 2012 | 150 | Sep 30, 2012 | |||
| Q2 2012 | 150 | Jun 30, 2012 | |||
| Q1 2012 | 148 | Mar 31, 2012 |