| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 93.1 | +14.2 | +17.9% | Mar 31, 2024 |
| Q4 2023 | 86.9 | +9.53 | +12.3% | Dec 31, 2023 |
| Q3 2023 | 83.1 | +7.82 | +10.4% | Sep 30, 2023 |
| Q2 2023 | 80.3 | +5.13 | +6.83% | Jun 30, 2023 |
| Q1 2023 | 79 | +5.84 | +7.99% | Mar 31, 2023 |
| Q4 2022 | 77.4 | +7.47 | +10.7% | Dec 31, 2022 |
| Q3 2022 | 75.3 | +9.06 | +13.7% | Sep 30, 2022 |
| Q2 2022 | 75.2 | +7.79 | +11.6% | Jun 30, 2022 |
| Q1 2022 | 73.1 | +3.08 | +4.4% | Mar 31, 2022 |
| Q4 2021 | 69.9 | -9.62 | -12.1% | Dec 31, 2021 |
| Q3 2021 | 66.2 | -22.4 | -25.2% | Sep 30, 2021 |
| Q2 2021 | 67.4 | -20.5 | -23.3% | Jun 30, 2021 |
| Q1 2021 | 70 | -18.8 | -21.2% | Mar 31, 2021 |
| Q4 2020 | 79.6 | -1.81 | -2.23% | Dec 31, 2020 |
| Q3 2020 | 88.6 | +6.81 | +8.33% | Sep 30, 2020 |
| Q2 2020 | 87.9 | +4.41 | +5.28% | Jun 30, 2020 |
| Q1 2020 | 88.8 | +2.29 | +2.65% | Mar 31, 2020 |
| Q4 2019 | 81.4 | -8.57 | -9.53% | Dec 31, 2019 |
| Q3 2019 | 81.8 | -8.89 | -9.81% | Sep 30, 2019 |
| Q2 2019 | 83.5 | -9.89 | -10.6% | Jun 30, 2019 |
| Q1 2019 | 86.6 | -7.25 | -7.73% | Mar 31, 2019 |
| Q4 2018 | 89.9 | -4.34 | -4.6% | Dec 31, 2018 |
| Q3 2018 | 90.7 | -7.92 | -8.03% | Sep 30, 2018 |
| Q2 2018 | 93.4 | -11.1 | -10.6% | Jun 30, 2018 |
| Q1 2018 | 93.8 | -16.3 | -14.8% | Mar 31, 2018 |
| Q4 2017 | 94.3 | -20 | -17.5% | Dec 31, 2017 |
| Q3 2017 | 98.6 | -17.9 | -15.4% | Sep 30, 2017 |
| Q2 2017 | 104 | -8.73 | -7.71% | Jun 30, 2017 |
| Q1 2017 | 110 | -2.13 | -1.9% | Mar 31, 2017 |
| Q4 2016 | 114 | +1.78 | +1.58% | Dec 31, 2016 |
| Q3 2016 | 117 | +2.02 | +1.76% | Sep 30, 2016 |
| Q2 2016 | 113 | -3.37 | -2.89% | Jun 30, 2016 |
| Q1 2016 | 112 | -3.42 | -2.96% | Mar 31, 2016 |
| Q4 2015 | 112 | -2.74 | -2.38% | Dec 31, 2015 |
| Q3 2015 | 114 | +0.89 | +0.78% | Sep 30, 2015 |
| Q2 2015 | 117 | +4.71 | +4.21% | Jun 30, 2015 |
| Q1 2015 | 116 | +4.54 | +4.09% | Mar 31, 2015 |
| Q4 2014 | 115 | +5.09 | +4.62% | Dec 31, 2014 |
| Q3 2014 | 114 | +0.18 | +0.16% | Sep 30, 2014 |
| Q2 2014 | 112 | -5.11 | -4.37% | Jun 30, 2014 |
| Q1 2014 | 111 | -10.4 | -8.57% | Mar 31, 2014 |
| Q4 2013 | 110 | -13.8 | -11.1% | Dec 31, 2013 |
| Q3 2013 | 113 | -8.78 | -7.19% | Sep 30, 2013 |
| Q2 2013 | 117 | -5.14 | -4.21% | Jun 30, 2013 |
| Q1 2013 | 121 | +32.7 | +36.8% | Mar 31, 2013 |
| Q4 2012 | 124 | +53.7 | +76.5% | Dec 31, 2012 |
| Q3 2012 | 122 | +65.2 | +114% | Sep 30, 2012 |
| Q2 2012 | 122 | +68.4 | +128% | Jun 30, 2012 |
| Q1 2012 | 88.8 | +27.3 | +44.5% | Mar 31, 2012 |
| Q4 2011 | 70.2 | Dec 31, 2011 | ||
| Q3 2011 | 57 | Sep 30, 2011 | ||
| Q2 2011 | 53.6 | Jun 30, 2011 | ||
| Q1 2011 | 61.5 | Mar 31, 2011 |