| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2023 | 16 | -9 | -36.4% | 31 Mar 2023 |
| Q4 2022 | 19 | -5 | -20.8% | 31 Dec 2022 |
| Q3 2022 | 21 | -4 | -14.1% | 30 Sep 2022 |
| Q2 2022 | 22 | -2 | -6.5% | 30 Jun 2022 |
| Q1 2022 | 25 | +3 | +13.2% | 31 Mar 2022 |
| Q4 2021 | 24 | +2 | +7.7% | 31 Dec 2021 |
| Q3 2021 | 25 | +4 | +21.6% | 30 Sep 2021 |
| Q2 2021 | 24 | +6 | +35.1% | 30 Jun 2021 |
| Q1 2021 | 22 | +7 | +45.5% | 31 Mar 2021 |
| Q4 2020 | 22 | +7 | +43.1% | 31 Dec 2020 |
| Q3 2020 | 20 | +4 | +20.6% | 30 Sep 2020 |
| Q2 2020 | 17 | -1 | -5.3% | 30 Jun 2020 |
| Q1 2020 | 15 | -5 | -25.1% | 31 Mar 2020 |
| Q4 2019 | 15 | -4 | -19.9% | 31 Dec 2019 |
| Q3 2019 | 17 | +2 | +13.5% | 30 Sep 2019 |
| Q2 2019 | 18 | +7 | +55.9% | 30 Jun 2019 |
| Q1 2019 | 20 | +10 | +85.8% | 31 Mar 2019 |
| Q4 2018 | 19 | +9 | +89.5% | 31 Dec 2018 |
| Q3 2018 | 15 | +3 | +25.5% | 30 Sep 2018 |
| Q2 2018 | 12 | -3 | -17.4% | 30 Jun 2018 |
| Q1 2018 | 11 | -6 | -33.6% | 31 Mar 2018 |
| Q4 2017 | 10 | -9 | -45.9% | 31 Dec 2017 |
| Q3 2017 | 12 | -11 | -48.2% | 30 Sep 2017 |
| Q2 2017 | 14 | -13 | -47.8% | 30 Jun 2017 |
| Q1 2017 | 16 | -20 | -54.2% | 31 Mar 2017 |
| Q4 2016 | 19 | -23 | -54.3% | 31 Dec 2016 |
| Q3 2016 | 23 | -24 | -50.3% | 30 Sep 2016 |
| Q2 2016 | 28 | 30 Jun 2016 | ||
| Q1 2016 | 36 | 31 Mar 2016 | ||
| Q4 2015 | 42 | 31 Dec 2015 | ||
| Q3 2015 | 46 | 30 Sep 2015 |