| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 76.8 | -3.98 | -4.93% | Jun 30, 2024 |
| Q1 2024 | 73.7 | -8.59 | -10.4% | Mar 31, 2024 |
| Q4 2023 | 79.1 | +1.27 | +1.63% | Dec 31, 2023 |
| Q3 2023 | 81 | +4.6 | +6.02% | Sep 30, 2023 |
| Q2 2023 | 80.7 | +11.3 | +16.2% | Jun 30, 2023 |
| Q1 2023 | 82.3 | +11.9 | +16.9% | Mar 31, 2023 |
| Q4 2022 | 77.9 | +0.13 | +0.17% | Dec 31, 2022 |
| Q3 2022 | 76.4 | -2.48 | -3.14% | Sep 30, 2022 |
| Q2 2022 | 69.5 | -7.86 | -10.2% | Jun 30, 2022 |
| Q1 2022 | 70.4 | +1.36 | +1.97% | Mar 31, 2022 |
| Q4 2021 | 77.7 | +15.8 | +25.5% | Dec 31, 2021 |
| Q3 2021 | 78.9 | +19.5 | +32.8% | Sep 30, 2021 |
| Q2 2021 | 77.3 | +15.1 | +24.2% | Jun 30, 2021 |
| Q1 2021 | 69 | +3.36 | +5.12% | Mar 31, 2021 |
| Q4 2020 | 61.9 | -4.71 | -7.07% | Dec 31, 2020 |
| Q3 2020 | 59.4 | -7.39 | -11.1% | Sep 30, 2020 |
| Q2 2020 | 62.3 | -2.6 | -4.01% | Jun 30, 2020 |
| Q1 2020 | 65.7 | +4.68 | +7.67% | Mar 31, 2020 |
| Q4 2019 | 66.6 | +5.55 | +9.09% | Dec 31, 2019 |
| Q3 2019 | 66.8 | +3.11 | +4.88% | Sep 30, 2019 |
| Q2 2019 | 64.9 | -1.69 | -2.54% | Jun 30, 2019 |
| Q1 2019 | 61 | -12.9 | -17.4% | Mar 31, 2019 |
| Q4 2018 | 61.1 | -17 | -21.8% | Dec 31, 2018 |
| Q3 2018 | 63.7 | -26 | -29% | Sep 30, 2018 |
| Q2 2018 | 66.5 | -35.2 | -34.6% | Jun 30, 2018 |
| Q1 2018 | 73.9 | -31.1 | -29.6% | Mar 31, 2018 |
| Q4 2017 | 78.1 | -31.3 | -28.6% | Dec 31, 2017 |
| Q3 2017 | 89.7 | -23.2 | -20.6% | Sep 30, 2017 |
| Q2 2017 | 102 | -9.65 | -8.67% | Jun 30, 2017 |
| Q1 2017 | 105 | -8.18 | -7.23% | Mar 31, 2017 |
| Q4 2016 | 109 | -5.29 | -4.61% | Dec 31, 2016 |
| Q3 2016 | 113 | +1.84 | +1.66% | Sep 30, 2016 |
| Q2 2016 | 111 | +6.28 | +5.98% | Jun 30, 2016 |
| Q1 2016 | 113 | +7.93 | +7.54% | Mar 31, 2016 |
| Q4 2015 | 115 | +10.1 | +9.7% | Dec 31, 2015 |
| Q3 2015 | 111 | +10.6 | +10.6% | Sep 30, 2015 |
| Q2 2015 | 105 | +3.05 | +2.99% | Jun 30, 2015 |
| Q1 2015 | 105 | +6.48 | +6.56% | Mar 31, 2015 |
| Q4 2014 | 105 | +11.4 | +12.2% | Dec 31, 2014 |
| Q3 2014 | 100 | +9.12 | +9.99% | Sep 30, 2014 |
| Q2 2014 | 102 | +11.5 | +12.7% | Jun 30, 2014 |
| Q1 2014 | 98.7 | +5.08 | +5.43% | Mar 31, 2014 |
| Q4 2013 | 93.2 | -8.14 | -8.03% | Dec 31, 2013 |
| Q3 2013 | 91.3 | -3.84 | -4.04% | Sep 30, 2013 |
| Q2 2013 | 90.5 | -5.43 | -5.66% | Jun 30, 2013 |
| Q1 2013 | 93.6 | -12.3 | -11.6% | Mar 31, 2013 |
| Q4 2012 | 101 | -11.5 | -10.2% | Dec 31, 2012 |
| Q3 2012 | 95.2 | -45.3 | -32.2% | Sep 30, 2012 |
| Q2 2012 | 96 | -70.3 | -42.3% | Jun 30, 2012 |
| Q1 2012 | 106 | -56.2 | -34.7% | Mar 31, 2012 |
| Q4 2011 | 113 | -47.1 | -29.5% | Dec 31, 2011 |
| Q3 2011 | 140 | Sep 30, 2011 | ||
| Q2 2011 | 166 | Jun 30, 2011 | ||
| Q1 2011 | 162 | Mar 31, 2011 | ||
| Q4 2010 | 160 | Dec 31, 2010 |