| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 46.8 | +12.1 | +34.7% | Mar 31, 2024 |
| Q4 2023 | 45.8 | +13.7 | +42.8% | Dec 31, 2023 |
| Q3 2023 | 45.3 | +14.8 | +48.4% | Sep 30, 2023 |
| Q2 2023 | 38.3 | +3.44 | +9.88% | Jun 30, 2023 |
| Q1 2023 | 34.8 | -3.24 | -8.53% | Mar 31, 2023 |
| Q4 2022 | 32.1 | -9.85 | -23.5% | Dec 31, 2022 |
| Q3 2022 | 30.5 | -13.7 | -31% | Sep 30, 2022 |
| Q2 2022 | 34.8 | -7 | -16.7% | Jun 30, 2022 |
| Q1 2022 | 38 | -2.46 | -6.08% | Mar 31, 2022 |
| Q4 2021 | 42 | +2 | +5.01% | Dec 31, 2021 |
| Q3 2021 | 44.2 | +5.23 | +13.4% | Sep 30, 2021 |
| Q2 2021 | 41.8 | +1.86 | +4.65% | Jun 30, 2021 |
| Q1 2021 | 40.5 | -4.02 | -9.04% | Mar 31, 2021 |
| Q4 2020 | 40 | -10.8 | -21.2% | Dec 31, 2020 |
| Q3 2020 | 39 | -15.9 | -28.9% | Sep 30, 2020 |
| Q2 2020 | 40 | -18.5 | -31.6% | Jun 30, 2020 |
| Q1 2020 | 44.5 | -13 | -22.7% | Mar 31, 2020 |
| Q4 2019 | 50.7 | -4.45 | -8.07% | Dec 31, 2019 |
| Q3 2019 | 54.8 | +0.86 | +1.59% | Sep 30, 2019 |
| Q2 2019 | 58.5 | +4.76 | +8.87% | Jun 30, 2019 |
| Q1 2019 | 57.5 | +3.92 | +7.31% | Mar 31, 2019 |
| Q4 2018 | 55.2 | -0.47 | -0.85% | Dec 31, 2018 |
| Q3 2018 | 54 | -3.37 | -5.88% | Sep 30, 2018 |
| Q2 2018 | 53.7 | -4.62 | -7.92% | Jun 30, 2018 |
| Q1 2018 | 53.6 | -5.89 | -9.9% | Mar 31, 2018 |
| Q4 2017 | 55.6 | -3.17 | -5.39% | Dec 31, 2017 |
| Q3 2017 | 57.3 | -2.79 | -4.64% | Sep 30, 2017 |
| Q2 2017 | 58.3 | +1.03 | +1.8% | Jun 30, 2017 |
| Q1 2017 | 59.5 | +4.39 | +7.97% | Mar 31, 2017 |
| Q4 2016 | 58.8 | +5.78 | +10.9% | Dec 31, 2016 |
| Q3 2016 | 60.1 | +8.51 | +16.5% | Sep 30, 2016 |
| Q2 2016 | 57.3 | +5.1 | +9.77% | Jun 30, 2016 |
| Q1 2016 | 55.1 | +2.52 | +4.79% | Mar 31, 2016 |
| Q4 2015 | 53 | -0.61 | -1.14% | Dec 31, 2015 |
| Q3 2015 | 51.6 | -3.23 | -5.89% | Sep 30, 2015 |
| Q2 2015 | 52.2 | -3.72 | -6.66% | Jun 30, 2015 |
| Q1 2015 | 52.6 | -3.73 | -6.63% | Mar 31, 2015 |
| Q4 2014 | 53.6 | -2.8 | -4.96% | Dec 31, 2014 |
| Q3 2014 | 54.9 | -0.98 | -1.76% | Sep 30, 2014 |
| Q2 2014 | 55.9 | +0.71 | +1.29% | Jun 30, 2014 |
| Q1 2014 | 56.3 | +1.29 | +2.35% | Mar 31, 2014 |
| Q4 2013 | 56.4 | +2.76 | +5.14% | Dec 31, 2013 |
| Q3 2013 | 55.8 | +2.18 | +4.06% | Sep 30, 2013 |
| Q2 2013 | 55.2 | +3.56 | +6.9% | Jun 30, 2013 |
| Q1 2013 | 55 | +5.09 | +10.2% | Mar 31, 2013 |
| Q4 2012 | 53.7 | +5.21 | +10.8% | Dec 31, 2012 |
| Q3 2012 | 53.7 | +6.19 | +13% | Sep 30, 2012 |
| Q2 2012 | 51.6 | Jun 30, 2012 | ||
| Q1 2012 | 49.9 | Mar 31, 2012 | ||
| Q4 2011 | 48.5 | Dec 31, 2011 | ||
| Q3 2011 | 47.5 | Sep 30, 2011 |