| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2025 | 21% | 0% | 0% | 30 Sep 2025 |
| Q2 2025 | 21% | -1% | -4.6% | 30 Jun 2025 |
| Q1 2025 | 21% | -2% | -9% | 31 Mar 2025 |
| Q4 2024 | 21% | -2% | -8.7% | 31 Dec 2024 |
| Q3 2024 | 21% | -2% | -8.5% | 30 Sep 2024 |
| Q2 2024 | 22% | -2% | -8.3% | 30 Jun 2024 |
| Q1 2024 | 22% | -2% | -8.1% | 31 Mar 2024 |
| Q4 2023 | 23% | -2% | -8% | 31 Dec 2023 |
| Q3 2023 | 24% | -2% | -7.9% | 30 Sep 2023 |
| Q2 2023 | 24% | -1% | -4% | 30 Jun 2023 |
| Q1 2023 | 25% | +1% | +4.3% | 31 Mar 2023 |
| Q4 2022 | 25% | +3% | +13% | 31 Dec 2022 |
| Q3 2022 | 25% | +4% | +19% | 30 Sep 2022 |
| Q2 2022 | 25% | +4% | +19% | 30 Jun 2022 |
| Q1 2022 | 23% | +3% | +14% | 31 Mar 2022 |
| Q4 2021 | 22% | +1% | +4.7% | 31 Dec 2021 |
| Q3 2021 | 21% | -2% | -8.8% | 30 Sep 2021 |
| Q2 2021 | 21% | -3% | -13% | 30 Jun 2021 |
| Q1 2021 | 21% | -4% | -16% | 31 Mar 2021 |
| Q4 2020 | 21% | -4% | -16% | 31 Dec 2020 |
| Q3 2020 | 23% | -3% | -12% | 30 Sep 2020 |
| Q2 2020 | 23% | -3% | -11% | 30 Jun 2020 |
| Q1 2020 | 25% | -2% | -7.4% | 31 Mar 2020 |
| Q4 2019 | 25% | -2% | -7.2% | 31 Dec 2019 |
| Q3 2019 | 26% | -3% | -11% | 30 Sep 2019 |
| Q2 2019 | 26% | -2% | -7% | 30 Jun 2019 |
| Q1 2019 | 27% | -1% | -3.5% | 31 Mar 2019 |
| Q4 2018 | 28% | -1% | -3.5% | 31 Dec 2018 |
| Q3 2018 | 29% | +1% | +3.6% | 30 Sep 2018 |
| Q2 2018 | 29% | 0% | 0% | 30 Jun 2018 |
| Q1 2018 | 28% | -1% | -3.4% | 31 Mar 2018 |
| Q4 2017 | 28% | -2% | -6.5% | 31 Dec 2017 |
| Q3 2017 | 28% | -4% | -12% | 30 Sep 2017 |
| Q2 2017 | 29% | -4% | -12% | 30 Jun 2017 |
| Q1 2017 | 29% | -3% | -9.3% | 31 Mar 2017 |
| Q4 2016 | 31% | -1% | -3.2% | 31 Dec 2016 |
| Q3 2016 | 32% | +1% | +3.2% | 30 Sep 2016 |
| Q2 2016 | 32% | +1% | +3.2% | 30 Jun 2016 |
| Q1 2016 | 32% | 0% | 0% | 31 Mar 2016 |
| Q4 2015 | 32% | -2% | -5.9% | 31 Dec 2015 |
| Q3 2015 | 32% | -3% | -8.6% | 30 Sep 2015 |
| Q2 2015 | 32% | -3% | -8.5% | 30 Jun 2015 |
| Q1 2015 | 33% | -3% | -8.5% | 31 Mar 2015 |
| Q4 2014 | 34% | -2% | -5.6% | 31 Dec 2014 |
| Q3 2014 | 35% | -1% | -2.8% | 30 Sep 2014 |
| Q2 2014 | 35% | -1% | -2.8% | 30 Jun 2014 |
| Q1 2014 | 35% | -1% | -2.7% | 31 Mar 2014 |
| Q4 2013 | 36% | -2% | -5.4% | 31 Dec 2013 |
| Q3 2013 | 36% | -2% | -5.2% | 30 Sep 2013 |
| Q2 2013 | 36% | -2% | -5.2% | 30 Jun 2013 |
| Q1 2013 | 37% | -2% | -5.2% | 31 Mar 2013 |
| Q4 2012 | 37% | 0% | 0% | 31 Dec 2012 |
| Q3 2012 | 38% | +1% | +2.7% | 30 Sep 2012 |
| Q2 2012 | 38% | +2% | +5.5% | 30 Jun 2012 |
| Q1 2012 | 38% | +3% | +8.5% | 31 Mar 2012 |
| Q4 2011 | 38% | +3% | +8.6% | 31 Dec 2011 |
| Q3 2011 | 37% | 30 Sep 2011 | ||
| Q2 2011 | 36% | 30 Jun 2011 | ||
| Q1 2011 | 35% | 31 Mar 2011 | ||
| Q4 2010 | 35% | 31 Dec 2010 |