| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q4 2023 | 61 | +12.1 | +24.9% | 31 Dec 2023 |
| Q3 2023 | 58.7 | +11.8 | +25% | 30 Sep 2023 |
| Q2 2023 | 55.2 | +18.1 | +48.7% | 30 Jun 2023 |
| Q1 2023 | 51.7 | +15.5 | +42.9% | 31 Mar 2023 |
| Q4 2022 | 48.8 | +12.6 | +34.9% | 31 Dec 2022 |
| Q3 2022 | 47 | +10.1 | +27.5% | 30 Sep 2022 |
| Q2 2022 | 37.1 | -11.2 | -23.2% | 30 Jun 2022 |
| Q1 2022 | 36.2 | -10.5 | -22.4% | 31 Mar 2022 |
| Q4 2021 | 36.2 | -11.6 | -24.2% | 31 Dec 2021 |
| Q3 2021 | 36.8 | -6.53 | -15.1% | 30 Sep 2021 |
| Q2 2021 | 48.4 | +3.79 | +8.5% | 30 Jun 2021 |
| Q1 2021 | 46.6 | -0.25 | -0.53% | 31 Mar 2021 |
| Q4 2020 | 47.8 | -1.73 | -3.5% | 31 Dec 2020 |
| Q3 2020 | 43.4 | -13.6 | -23.9% | 30 Sep 2020 |
| Q2 2020 | 44.6 | -19.3 | -30.2% | 30 Jun 2020 |
| Q1 2020 | 46.9 | -23.2 | -33.1% | 31 Mar 2020 |
| Q4 2019 | 49.5 | -24.5 | -33.1% | 31 Dec 2019 |
| Q3 2019 | 56.9 | -16.9 | -22.9% | 30 Sep 2019 |
| Q2 2019 | 63.9 | -10.1 | -13.7% | 30 Jun 2019 |
| Q1 2019 | 70 | -2.3 | -3.18% | 31 Mar 2019 |
| Q4 2018 | 74 | -3.15 | -4.08% | 31 Dec 2018 |
| Q3 2018 | 73.9 | -3.31 | -4.29% | 30 Sep 2018 |
| Q2 2018 | 74 | -7.56 | -9.27% | 30 Jun 2018 |
| Q1 2018 | 72.3 | -10.2 | -12.3% | 31 Mar 2018 |
| Q4 2017 | 77.2 | -3.2 | -3.98% | 31 Dec 2017 |
| Q3 2017 | 77.2 | -5.28 | -6.4% | 30 Sep 2017 |
| Q2 2017 | 81.5 | -3.4 | -4% | 30 Jun 2017 |
| Q1 2017 | 82.5 | -5.4 | -6.14% | 31 Mar 2017 |
| Q4 2016 | 80.4 | -7.6 | -8.64% | 31 Dec 2016 |
| Q3 2016 | 82.5 | -5.27 | -6.01% | 30 Sep 2016 |
| Q2 2016 | 84.9 | -0.32 | -0.38% | 30 Jun 2016 |
| Q1 2016 | 87.9 | +4.11 | +4.91% | 31 Mar 2016 |
| Q4 2015 | 88 | +5.8 | +7.06% | 31 Dec 2015 |
| Q3 2015 | 87.7 | +4.27 | +5.12% | 30 Sep 2015 |
| Q2 2015 | 85.3 | +9.98 | +13.3% | 30 Jun 2015 |
| Q1 2015 | 83.8 | +16.6 | +24.7% | 31 Mar 2015 |
| Q4 2014 | 82.2 | +18.8 | +29.6% | 31 Dec 2014 |
| Q3 2014 | 83.5 | +20.5 | +32.5% | 30 Sep 2014 |
| Q2 2014 | 75.3 | +8.53 | +12.8% | 30 Jun 2014 |
| Q1 2014 | 67.2 | -6.89 | -9.3% | 31 Mar 2014 |
| Q4 2013 | 63.4 | -27.3 | -30.1% | 31 Dec 2013 |
| Q3 2013 | 63 | -39.3 | -38.4% | 30 Sep 2013 |
| Q2 2013 | 66.7 | -45.9 | -40.7% | 30 Jun 2013 |
| Q1 2013 | 74.1 | -52.8 | -41.6% | 31 Mar 2013 |
| Q4 2012 | 90.7 | 31 Dec 2012 | ||
| Q3 2012 | 102 | 30 Sep 2012 | ||
| Q2 2012 | 113 | 30 Jun 2012 | ||
| Q1 2012 | 127 | 31 Mar 2012 |