| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 55.5 | -13.3 | -19.4% | Mar 31, 2024 |
| Q4 2023 | 57.2 | -16.2 | -22.1% | Dec 31, 2023 |
| Q3 2023 | 59.8 | -16.8 | -21.9% | Sep 30, 2023 |
| Q2 2023 | 63.9 | -13.4 | -17.3% | Jun 30, 2023 |
| Q1 2023 | 68.8 | -7.63 | -9.98% | Mar 31, 2023 |
| Q4 2022 | 73.3 | -1.58 | -2.11% | Dec 31, 2022 |
| Q3 2022 | 76.7 | +0.07 | +0.09% | Sep 30, 2022 |
| Q2 2022 | 77.2 | -0.83 | -1.06% | Jun 30, 2022 |
| Q1 2022 | 76.4 | -4.95 | -6.08% | Mar 31, 2022 |
| Q4 2021 | 74.9 | -15.1 | -16.7% | Dec 31, 2021 |
| Q3 2021 | 76.6 | -16.1 | -17.3% | Sep 30, 2021 |
| Q2 2021 | 78 | -18.9 | -19.5% | Jun 30, 2021 |
| Q1 2021 | 81.4 | -18.7 | -18.7% | Mar 31, 2021 |
| Q4 2020 | 90 | -10 | -10% | Dec 31, 2020 |
| Q3 2020 | 92.6 | -11 | -10.6% | Sep 30, 2020 |
| Q2 2020 | 96.9 | -10.4 | -9.71% | Jun 30, 2020 |
| Q1 2020 | 100 | -11.7 | -10.5% | Mar 31, 2020 |
| Q4 2019 | 100 | -16.7 | -14.3% | Dec 31, 2019 |
| Q3 2019 | 104 | -18.4 | -15% | Sep 30, 2019 |
| Q2 2019 | 107 | -19.2 | -15.1% | Jun 30, 2019 |
| Q1 2019 | 112 | -15.8 | -12.4% | Mar 31, 2019 |
| Q4 2018 | 117 | -7.13 | -5.76% | Dec 31, 2018 |
| Q3 2018 | 122 | +1.78 | +1.48% | Sep 30, 2018 |
| Q2 2018 | 126 | +10.7 | +9.21% | Jun 30, 2018 |
| Q1 2018 | 128 | +17.7 | +16.1% | Mar 31, 2018 |
| Q4 2017 | 124 | +15.6 | +14.4% | Dec 31, 2017 |
| Q3 2017 | 120 | +18.3 | +18% | Sep 30, 2017 |
| Q2 2017 | 116 | +18.5 | +19% | Jun 30, 2017 |
| Q1 2017 | 110 | +17.5 | +19% | Mar 31, 2017 |
| Q4 2016 | 108 | +23.1 | +27.1% | Dec 31, 2016 |
| Q3 2016 | 102 | +20.6 | +25.3% | Sep 30, 2016 |
| Q2 2016 | 97.3 | +18.3 | +23.1% | Jun 30, 2016 |
| Q1 2016 | 92.4 | +12 | +14.9% | Mar 31, 2016 |
| Q4 2015 | 85.1 | +4.44 | +5.5% | Dec 31, 2015 |
| Q3 2015 | 81.4 | -1.72 | -2.07% | Sep 30, 2015 |
| Q2 2015 | 79.1 | -6.64 | -7.75% | Jun 30, 2015 |
| Q1 2015 | 80.4 | -19.4 | -19.4% | Mar 31, 2015 |
| Q4 2014 | 80.7 | -42.1 | -34.3% | Dec 31, 2014 |
| Q3 2014 | 83.1 | -70.5 | -45.9% | Sep 30, 2014 |
| Q2 2014 | 85.7 | -118 | -57.9% | Jun 30, 2014 |
| Q1 2014 | 99.8 | -122 | -55% | Mar 31, 2014 |
| Q4 2013 | 123 | -114 | -48.2% | Dec 31, 2013 |
| Q3 2013 | 154 | -95.9 | -38.4% | Sep 30, 2013 |
| Q2 2013 | 204 | -56 | -21.6% | Jun 30, 2013 |
| Q1 2013 | 222 | -40.2 | -15.3% | Mar 31, 2013 |
| Q4 2012 | 237 | -25.7 | -9.77% | Dec 31, 2012 |
| Q3 2012 | 250 | -14.4 | -5.44% | Sep 30, 2012 |
| Q2 2012 | 260 | -10.2 | -3.78% | Jun 30, 2012 |
| Q1 2012 | 262 | +13.5 | +5.41% | Mar 31, 2012 |
| Q4 2011 | 263 | Dec 31, 2011 | ||
| Q3 2011 | 264 | Sep 30, 2011 | ||
| Q2 2011 | 270 | Jun 30, 2011 | ||
| Q1 2011 | 249 | Mar 31, 2011 |