| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2025 | 8% | 0% | +2.4% | 30 Sep 2025 |
| Q2 2025 | 8% | 0% | +6.6% | 30 Jun 2025 |
| Q1 2025 | 8% | 0% | +5% | 31 Mar 2025 |
| Q4 2024 | 8% | 0% | +2.6% | 31 Dec 2024 |
| Q3 2024 | 8% | -1% | -11% | 30 Sep 2024 |
| Q2 2024 | 7% | -1% | -10% | 30 Jun 2024 |
| Q1 2024 | 8% | 0% | -0.26% | 31 Mar 2024 |
| Q4 2023 | 8% | +1% | +13% | 31 Dec 2023 |
| Q3 2023 | 8% | +2% | +32% | 30 Sep 2023 |
| Q2 2023 | 8% | +2% | +36% | 30 Jun 2023 |
| Q1 2023 | 8% | +2% | +28% | 31 Mar 2023 |
| Q4 2022 | 7% | 0% | +6% | 31 Dec 2022 |
| Q3 2022 | 6% | -1% | -17% | 30 Sep 2022 |
| Q2 2022 | 6% | -3% | -35% | 30 Jun 2022 |
| Q1 2022 | 6% | -5% | -47% | 31 Mar 2022 |
| Q4 2021 | 7% | -5% | -46% | 31 Dec 2021 |
| Q3 2021 | 8% | -4% | -36% | 30 Sep 2021 |
| Q2 2021 | 9% | -2% | -19% | 30 Jun 2021 |
| Q1 2021 | 11% | 0% | -2.4% | 31 Mar 2021 |
| Q4 2020 | 12% | 0% | +2.1% | 31 Dec 2020 |
| Q3 2020 | 12% | 0% | -2.4% | 30 Sep 2020 |
| Q2 2020 | 12% | -1% | -9.2% | 30 Jun 2020 |
| Q1 2020 | 12% | -1% | -7.8% | 31 Mar 2020 |
| Q4 2019 | 12% | 0% | -3.8% | 31 Dec 2019 |
| Q3 2019 | 12% | +1% | +5.8% | 30 Sep 2019 |
| Q2 2019 | 13% | +2% | +17% | 30 Jun 2019 |
| Q1 2019 | 13% | +2% | +21% | 31 Mar 2019 |
| Q4 2018 | 12% | +2% | +22% | 31 Dec 2018 |
| Q3 2018 | 12% | +2% | +17% | 30 Sep 2018 |
| Q2 2018 | 11% | 0% | +4.3% | 30 Jun 2018 |
| Q1 2018 | 10% | -1% | -5.8% | 31 Mar 2018 |
| Q4 2017 | 10% | +1% | +9.1% | 31 Dec 2017 |
| Q3 2017 | 10% | 0% | +1.1% | 30 Sep 2017 |
| Q2 2017 | 10% | +2% | +24% | 30 Jun 2017 |
| Q1 2017 | 11% | +4% | +49% | 31 Mar 2017 |
| Q4 2016 | 9% | +2% | +21% | 31 Dec 2016 |
| Q3 2016 | 10% | +3% | +40% | 30 Sep 2016 |
| Q2 2016 | 8% | +1% | +19% | 30 Jun 2016 |
| Q1 2016 | 7% | 0% | +4.4% | 31 Mar 2016 |
| Q4 2015 | 8% | 0% | +6.6% | 31 Dec 2015 |
| Q3 2015 | 7% | 0% | +7.4% | 30 Sep 2015 |
| Q2 2015 | 7% | 0% | -0.42% | 30 Jun 2015 |
| Q1 2015 | 7% | -1% | -12% | 31 Mar 2015 |
| Q4 2014 | 7% | -2% | -23% | 31 Dec 2014 |
| Q3 2014 | 7% | -5% | -44% | 30 Sep 2014 |
| Q2 2014 | 7% | -3% | -31% | 30 Jun 2014 |
| Q1 2014 | 8% | -1% | -14% | 31 Mar 2014 |
| Q4 2013 | 9% | +1% | +9% | 31 Dec 2013 |
| Q3 2013 | 12% | +4% | +47% | 30 Sep 2013 |
| Q2 2013 | 10% | +2% | +27% | 30 Jun 2013 |
| Q1 2013 | 9% | +1% | +9.3% | 31 Mar 2013 |
| Q4 2012 | 9% | -1% | -5.8% | 31 Dec 2012 |
| Q3 2012 | 8% | -2% | -21% | 30 Sep 2012 |
| Q2 2012 | 8% | -2% | -17% | 30 Jun 2012 |
| Q1 2012 | 8% | 0% | -4.1% | 31 Mar 2012 |
| Q4 2011 | 9% | 31 Dec 2011 | ||
| Q3 2011 | 10% | 30 Sep 2011 | ||
| Q2 2011 | 10% | 30 Jun 2011 | ||
| Q1 2011 | 9% | 31 Mar 2011 |