| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| Q1 2024 | 15 | -2.22 | -12.9% | Mar 31, 2024 | |
| Q4 2023 | 14.7 | -3 | -17% | Dec 31, 2023 | |
| Q3 2023 | 15.5 | -1.64 | -9.57% | Sep 30, 2023 | |
| Q2 2023 | 16.5 | +0.84 | +5.36% | Jun 30, 2023 | |
| Q1 2023 | 17.3 | +2.96 | +20.7% | Mar 31, 2023 | |
| Q4 2022 | 17.7 | +4.52 | +34.4% | Dec 31, 2022 | |
| Q3 2022 | 17.1 | +5.02 | +41.4% | Sep 30, 2022 | |
| Q2 2022 | 15.7 | +4.27 | +37.5% | Jun 30, 2022 | |
| Q1 2022 | 14.3 | +3.55 | +33% | Mar 31, 2022 | |
| Q4 2021 | 13.1 | +2.81 | +27.2% | Dec 31, 2021 | |
| Q3 2021 | 12.1 | +1.73 | +16.6% | Sep 30, 2021 | |
| Q2 2021 | 11.4 | +0.97 | +9.3% | Jun 30, 2021 | |
| Q1 2021 | 10.7 | +0.31 | +2.97% | Mar 31, 2021 | |
| Q4 2020 | 10.3 | -0.11 | -1.05% | Dec 31, 2020 | |
| Q3 2020 | 10.4 | -0.25 | -2.35% | Sep 30, 2020 | |
| Q2 2020 | 10.4 | -0.34 | -3.16% | Jun 30, 2020 | |
| Q1 2020 | 10.4 | -1.02 | -8.9% | Mar 31, 2020 | |
| Q4 2019 | 10.4 | -2.07 | -16.5% | Dec 31, 2019 | |
| Q3 2019 | 10.7 | -3.83 | -26.5% | Sep 30, 2019 | |
| Q2 2019 | 10.8 | -8.52 | -44.2% | Jun 30, 2019 | |
| Q1 2019 | 11.5 | -7.72 | -40.3% | Mar 31, 2019 | |
| Q4 2018 | 12.5 | -8.08 | -39.2% | Dec 31, 2018 | |
| Q3 2018 | 14.5 | -6.41 | -30.7% | Sep 30, 2018 | |
| Q2 2018 | 19.3 | +1.4 | +7.83% | Jun 30, 2018 | |
| Q1 2018 | 19.2 | +0.41 | +2.19% | Mar 31, 2018 | |
| Q4 2017 | 20.6 | +2.17 | +11.8% | Dec 31, 2017 | |
| Q3 2017 | 20.9 | +4.15 | +24.8% | Sep 30, 2017 | |
| Q2 2017 | 17.9 | +1.92 | +12% | Jun 30, 2017 | |
| Q1 2017 | 18.8 | +4.18 | +28.7% | Mar 31, 2017 | |
| Q4 2016 | 18.4 | +4.83 | +35.5% | Dec 31, 2016 | |
| Q3 2016 | 16.7 | +1.95 | +13.2% | Sep 30, 2016 | |
| Q2 2016 | 16 | -0.25 | -1.54% | Jun 30, 2016 | |
| Q1 2016 | 14.6 | -3.28 | -18.4% | Mar 31, 2016 | |
| Q4 2015 | 13.6 | -6.12 | -31% | Dec 31, 2015 | |
| Q3 2015 | 14.8 | -4.86 | -24.7% | Sep 30, 2015 | |
| Q2 2015 | 16.2 | -3.88 | -19.3% | Jun 30, 2015 | |
| Q1 2015 | 17.9 | -2.45 | -12.1% | Mar 31, 2015 | |
| Q4 2014 | 19.7 | +0.15 | +0.77% | Dec 31, 2014 | |
| Q3 2014 | 19.7 | +1.04 | +5.59% | Sep 30, 2014 | |
| Q2 2014 | 20.1 | +4.04 | +25.2% | Jun 30, 2014 | |
| Q1 2014 | 20.3 | +6.16 | +43.5% | Mar 31, 2014 | |
| Q4 2013 | 19.6 | +5.73 | +41.4% | Dec 31, 2013 | |
| Q3 2013 | 18.6 | +5.95 | +47% | Sep 30, 2013 | |
| Q2 2013 | 16.1 | +2.59 | +19.2% | Jun 30, 2013 | |
| Q1 2013 | 14.2 | -0.54 | -3.67% | Mar 31, 2013 | |
| Q4 2012 | 13.8 | -1.45 | -9.49% | Dec 31, 2012 | |
| Q3 2012 | 12.7 | -4.61 | -26.7% | Sep 30, 2012 | |
| Q2 2012 | 13.5 | -6.66 | -33.1% | Jun 30, 2012 | |
| Q1 2012 | 14.7 | -7.88 | -34.9% | Mar 31, 2012 | |
| Q4 2011 | 15.3 | -10.5 | -40.8% | Dec 31, 2011 | |
| Q3 2011 | 17.3 | Sep 30, 2011 | |||
| Q2 2011 | 20.1 | Jun 30, 2011 | |||
| Q1 2011 | 22.6 | Mar 31, 2011 | |||
| Q4 2010 | 25.8 | Dec 31, 2010 |