| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2023 | 26.3 | -1.84 | -6.55% | 31 Mar 2023 |
| Q4 2022 | 25.7 | -2.09 | -7.53% | 31 Dec 2022 |
| Q3 2022 | 27 | +1.6 | +6.29% | 30 Sep 2022 |
| Q2 2022 | 28.3 | +3.1 | +12.3% | 30 Jun 2022 |
| Q1 2022 | 28.1 | +2.34 | +9.08% | 31 Mar 2022 |
| Q4 2021 | 27.7 | -1.69 | -5.74% | 31 Dec 2021 |
| Q3 2021 | 25.4 | -8.99 | -26.1% | 30 Sep 2021 |
| Q2 2021 | 25.2 | -9.86 | -28.1% | 30 Jun 2021 |
| Q1 2021 | 25.8 | -7.25 | -22% | 31 Mar 2021 |
| Q4 2020 | 29.4 | -2.28 | -7.19% | 31 Dec 2020 |
| Q3 2020 | 34.4 | +1.79 | +5.49% | 30 Sep 2020 |
| Q2 2020 | 35.1 | -0.15 | -0.43% | 30 Jun 2020 |
| Q1 2020 | 33 | -6.81 | -17.1% | 31 Mar 2020 |
| Q4 2019 | 31.7 | -11 | -25.8% | 31 Dec 2019 |
| Q3 2019 | 32.6 | -10.6 | -24.4% | 30 Sep 2019 |
| Q2 2019 | 35.2 | -7.25 | -17.1% | 30 Jun 2019 |
| Q1 2019 | 39.8 | -1.56 | -3.77% | 31 Mar 2019 |
| Q4 2018 | 42.7 | +0.36 | +0.85% | 31 Dec 2018 |
| Q3 2018 | 43.2 | +0.51 | +1.2% | 30 Sep 2018 |
| Q2 2018 | 42.5 | -0.09 | -0.21% | 30 Jun 2018 |
| Q1 2018 | 41.4 | -1.64 | -3.81% | 31 Mar 2018 |
| Q4 2017 | 42.4 | -0.46 | -1.08% | 31 Dec 2017 |
| Q3 2017 | 42.7 | +3.74 | +9.6% | 30 Sep 2017 |
| Q2 2017 | 42.6 | +2.39 | +5.95% | 30 Jun 2017 |
| Q1 2017 | 43 | +3.97 | +10.2% | 31 Mar 2017 |
| Q4 2016 | 42.8 | +3.95 | +10.2% | 31 Dec 2016 |
| Q3 2016 | 38.9 | -1.2 | -2.99% | 30 Sep 2016 |
| Q2 2016 | 40.2 | +0.34 | +0.85% | 30 Jun 2016 |
| Q1 2016 | 39.1 | -2.44 | -5.88% | 31 Mar 2016 |
| Q4 2015 | 38.9 | -3.62 | -8.52% | 31 Dec 2015 |
| Q3 2015 | 40.1 | -4.9 | -10.9% | 30 Sep 2015 |
| Q2 2015 | 39.9 | -7.58 | -16% | 30 Jun 2015 |
| Q1 2015 | 41.5 | -7.71 | -15.7% | 31 Mar 2015 |
| Q4 2014 | 42.5 | -5.36 | -11.2% | 31 Dec 2014 |
| Q3 2014 | 45 | -1.9 | -4.05% | 30 Sep 2014 |
| Q2 2014 | 47.4 | +2.28 | +5.05% | 30 Jun 2014 |
| Q1 2014 | 49.2 | +6.02 | +13.9% | 31 Mar 2014 |
| Q4 2013 | 47.8 | +5.26 | +12.4% | 31 Dec 2013 |
| Q3 2013 | 46.9 | +4.53 | +10.7% | 30 Sep 2013 |
| Q2 2013 | 45.2 | +2.58 | +6.06% | 30 Jun 2013 |
| Q1 2013 | 43.2 | -0.03 | -0.07% | 31 Mar 2013 |
| Q4 2012 | 42.6 | -1.92 | -4.32% | 31 Dec 2012 |
| Q3 2012 | 42.4 | -1.76 | -3.99% | 30 Sep 2012 |
| Q2 2012 | 42.6 | +0.45 | +1.07% | 30 Jun 2012 |
| Q1 2012 | 43.2 | +2.2 | +5.37% | 31 Mar 2012 |
| Q4 2011 | 44.5 | +4.72 | +11.9% | 31 Dec 2011 |
| Q3 2011 | 44.2 | 30 Sep 2011 | ||
| Q2 2011 | 42.1 | 30 Jun 2011 | ||
| Q1 2011 | 41 | 31 Mar 2011 | ||
| Q4 2010 | 39.8 | 31 Dec 2010 |