| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2025 | 42 | +3 | +7.4% | 30 Sep 2025 |
| Q2 2025 | 37 | -5 | -11.1% | 30 Jun 2025 |
| Q1 2025 | 36 | -9 | -19.2% | 31 Mar 2025 |
| Q4 2024 | 37 | -9 | -19.8% | 31 Dec 2024 |
| Q3 2024 | 39 | -6 | -13.8% | 30 Sep 2024 |
| Q2 2024 | 42 | -1 | -2.6% | 30 Jun 2024 |
| Q1 2024 | 44 | -3 | -5.9% | 31 Mar 2024 |
| Q4 2023 | 46 | -1 | -1.3% | 31 Dec 2023 |
| Q3 2023 | 46 | -2 | -4.8% | 30 Sep 2023 |
| Q2 2023 | 43 | -4 | -7.5% | 30 Jun 2023 |
| Q1 2023 | 47 | +3 | +7.3% | 31 Mar 2023 |
| Q4 2022 | 47 | +5 | +13.2% | 31 Dec 2022 |
| Q3 2022 | 48 | +9 | +24.3% | 30 Sep 2022 |
| Q2 2022 | 47 | +10 | +27.6% | 30 Jun 2022 |
| Q1 2022 | 44 | +8 | +21.8% | 31 Mar 2022 |
| Q4 2021 | 41 | +4 | +12.1% | 31 Dec 2021 |
| Q3 2021 | 38 | +3 | +9.6% | 30 Sep 2021 |
| Q2 2021 | 37 | +3 | +7.3% | 30 Jun 2021 |
| Q1 2021 | 36 | +2 | +5.1% | 31 Mar 2021 |
| Q4 2020 | 37 | +3 | +9.5% | 31 Dec 2020 |
| Q3 2020 | 35 | +2 | +7.2% | 30 Sep 2020 |
| Q2 2020 | 34 | -1 | -4% | 30 Jun 2020 |
| Q1 2020 | 34 | -2 | -4.1% | 31 Mar 2020 |
| Q4 2019 | 34 | -3 | -8.7% | 31 Dec 2019 |
| Q3 2019 | 33 | -9 | -20.5% | 30 Sep 2019 |
| Q2 2019 | 36 | +5 | +17.8% | 30 Jun 2019 |
| Q1 2019 | 36 | +11 | +42.4% | 31 Mar 2019 |
| Q4 2018 | 37 | +14 | +60.1% | 31 Dec 2018 |
| Q3 2018 | 41 | +19 | +88.2% | 30 Sep 2018 |
| Q2 2018 | 30 | +7 | +27% | 30 Jun 2018 |
| Q1 2018 | 25 | -1 | -5.4% | 31 Mar 2018 |
| Q4 2017 | 23 | -9 | -28.5% | 31 Dec 2017 |
| Q3 2017 | 22 | -15 | -40.5% | 30 Sep 2017 |
| Q2 2017 | 24 | -17 | -40.8% | 30 Jun 2017 |
| Q1 2017 | 26 | -20 | -42.6% | 31 Mar 2017 |
| Q4 2016 | 32 | -12 | -27.2% | 31 Dec 2016 |
| Q3 2016 | 37 | -4 | -10.8% | 30 Sep 2016 |
| Q2 2016 | 40 | +4 | +10% | 30 Jun 2016 |
| Q1 2016 | 46 | +13 | +36.6% | 31 Mar 2016 |
| Q4 2015 | 44 | +9 | +23.8% | 31 Dec 2015 |
| Q3 2015 | 41 | +2 | +5.8% | 30 Sep 2015 |
| Q2 2015 | 36 | -19 | -34.4% | 30 Jun 2015 |
| Q1 2015 | 34 | -39 | -53.4% | 31 Mar 2015 |
| Q4 2014 | 36 | -40 | -52.3% | 31 Dec 2014 |
| Q3 2014 | 39 | -41 | -51.1% | 30 Sep 2014 |
| Q2 2014 | 56 | -20 | -26.3% | 30 Jun 2014 |
| Q1 2014 | 73 | -0 | -0.27% | 31 Mar 2014 |
| Q4 2013 | 75 | -1 | -1.1% | 31 Dec 2013 |
| Q3 2013 | 80 | +11 | +16.5% | 30 Sep 2013 |
| Q2 2013 | 76 | +9 | +14.2% | 30 Jun 2013 |
| Q1 2013 | 73 | +13 | +21% | 31 Mar 2013 |
| Q4 2012 | 76 | 31 Dec 2012 | ||
| Q3 2012 | 68 | 30 Sep 2012 | ||
| Q2 2012 | 66 | 30 Jun 2012 | ||
| Q1 2012 | 60 | 31 Mar 2012 |