| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2025 | 11% | -1% | -6.8% | 30 Sep 2025 |
| Q2 2025 | 12% | 0% | -3.7% | 30 Jun 2025 |
| Q1 2025 | 12% | -2% | -14% | 31 Mar 2025 |
| Q4 2024 | 12% | -3% | -19% | 31 Dec 2024 |
| Q3 2024 | 12% | -4% | -22% | 30 Sep 2024 |
| Q2 2024 | 13% | -4% | -22% | 30 Jun 2024 |
| Q1 2024 | 14% | -3% | -19% | 31 Mar 2024 |
| Q4 2023 | 15% | -3% | -18% | 31 Dec 2023 |
| Q3 2023 | 16% | -3% | -14% | 30 Sep 2023 |
| Q2 2023 | 16% | -3% | -16% | 30 Jun 2023 |
| Q1 2023 | 17% | -3% | -16% | 31 Mar 2023 |
| Q4 2022 | 18% | -3% | -14% | 31 Dec 2022 |
| Q3 2022 | 18% | -3% | -14% | 30 Sep 2022 |
| Q2 2022 | 19% | -1% | -2.9% | 30 Jun 2022 |
| Q1 2022 | 20% | +1% | +7.7% | 31 Mar 2022 |
| Q4 2021 | 21% | +2% | +12% | 31 Dec 2021 |
| Q3 2021 | 21% | +3% | +18% | 30 Sep 2021 |
| Q2 2021 | 20% | +1% | +8% | 30 Jun 2021 |
| Q1 2021 | 19% | +1% | +3.4% | 31 Mar 2021 |
| Q4 2020 | 19% | 0% | +1.3% | 31 Dec 2020 |
| Q3 2020 | 18% | 0% | -0.11% | 30 Sep 2020 |
| Q2 2020 | 19% | +1% | +4.4% | 30 Jun 2020 |
| Q1 2020 | 18% | 0% | +1.6% | 31 Mar 2020 |
| Q4 2019 | 18% | 0% | +0.99% | 31 Dec 2019 |
| Q3 2019 | 18% | 0% | -0.77% | 30 Sep 2019 |
| Q2 2019 | 18% | -2% | -8.1% | 30 Jun 2019 |
| Q1 2019 | 18% | -1% | -5.8% | 31 Mar 2019 |
| Q4 2018 | 18% | -2% | -9.1% | 31 Dec 2018 |
| Q3 2018 | 18% | -2% | -11% | 30 Sep 2018 |
| Q2 2018 | 19% | -1% | -5.8% | 30 Jun 2018 |
| Q1 2018 | 19% | -2% | -8.9% | 31 Mar 2018 |
| Q4 2017 | 20% | -1% | -6.6% | 31 Dec 2017 |
| Q3 2017 | 21% | -1% | -6.6% | 30 Sep 2017 |
| Q2 2017 | 20% | -2% | -7.9% | 30 Jun 2017 |
| Q1 2017 | 21% | -2% | -9.3% | 31 Mar 2017 |
| Q4 2016 | 21% | -2% | -9% | 31 Dec 2016 |
| Q3 2016 | 22% | -2% | -8.7% | 30 Sep 2016 |
| Q2 2016 | 22% | -3% | -14% | 30 Jun 2016 |
| Q1 2016 | 23% | -3% | -12% | 31 Mar 2016 |
| Q4 2015 | 23% | -3% | -13% | 31 Dec 2015 |
| Q3 2015 | 24% | -4% | -14% | 30 Sep 2015 |
| Q2 2015 | 26% | -1% | -4.5% | 30 Jun 2015 |
| Q1 2015 | 26% | 0% | +1% | 31 Mar 2015 |
| Q4 2014 | 27% | +1% | +3.3% | 31 Dec 2014 |
| Q3 2014 | 28% | +2% | +7.9% | 30 Sep 2014 |
| Q2 2014 | 27% | 0% | +0.9% | 30 Jun 2014 |
| Q1 2014 | 26% | 0% | -0.95% | 31 Mar 2014 |
| Q4 2013 | 26% | -1% | -4.3% | 31 Dec 2013 |
| Q3 2013 | 26% | 0% | -1.5% | 30 Sep 2013 |
| Q2 2013 | 27% | 0% | +0.91% | 30 Jun 2013 |
| Q1 2013 | 26% | -2% | -6.5% | 31 Mar 2013 |
| Q4 2012 | 27% | 31 Dec 2012 | ||
| Q3 2012 | 26% | 30 Sep 2012 | ||
| Q2 2012 | 26% | 30 Jun 2012 | ||
| Q1 2012 | 28% | 31 Mar 2012 |