| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2025 | 34% | -1% | -2.7% | 30 Sep 2025 |
| Q2 2025 | 34% | -1% | -3% | 30 Jun 2025 |
| Q1 2025 | 34% | 0% | -1% | 31 Mar 2025 |
| Q4 2024 | 35% | +1% | +2.9% | 31 Dec 2024 |
| Q3 2024 | 35% | 0% | +1.3% | 30 Sep 2024 |
| Q2 2024 | 35% | -1% | -1.8% | 30 Jun 2024 |
| Q1 2024 | 35% | -1% | -3.1% | 31 Mar 2024 |
| Q4 2023 | 34% | -1% | -3.3% | 31 Dec 2023 |
| Q3 2023 | 35% | -1% | -2% | 30 Sep 2023 |
| Q2 2023 | 35% | +1% | +2.4% | 30 Jun 2023 |
| Q1 2023 | 36% | +1% | +4.1% | 31 Mar 2023 |
| Q4 2022 | 36% | +2% | +5.1% | 31 Dec 2022 |
| Q3 2022 | 35% | +1% | +3.9% | 30 Sep 2022 |
| Q2 2022 | 34% | +1% | +4.4% | 30 Jun 2022 |
| Q1 2022 | 34% | +3% | +8.4% | 31 Mar 2022 |
| Q4 2021 | 34% | +3% | +9% | 31 Dec 2021 |
| Q3 2021 | 34% | +3% | +9.5% | 30 Sep 2021 |
| Q2 2021 | 33% | +1% | +2.8% | 30 Jun 2021 |
| Q1 2021 | 32% | -2% | -6% | 31 Mar 2021 |
| Q4 2020 | 31% | -4% | -11% | 31 Dec 2020 |
| Q3 2020 | 31% | -3% | -9.5% | 30 Sep 2020 |
| Q2 2020 | 32% | 0% | -1% | 30 Jun 2020 |
| Q1 2020 | 34% | +4% | +12% | 31 Mar 2020 |
| Q4 2019 | 35% | +7% | +26% | 31 Dec 2019 |
| Q3 2019 | 34% | +7% | +28% | 30 Sep 2019 |
| Q2 2019 | 32% | +5% | +16% | 30 Jun 2019 |
| Q1 2019 | 30% | +1% | +3.2% | 31 Mar 2019 |
| Q4 2018 | 28% | -3% | -9.5% | 31 Dec 2018 |
| Q3 2018 | 27% | -4% | -13% | 30 Sep 2018 |
| Q2 2018 | 28% | -2% | -8% | 30 Jun 2018 |
| Q1 2018 | 29% | -2% | -6.1% | 31 Mar 2018 |
| Q4 2017 | 31% | 0% | +0.89% | 31 Dec 2017 |
| Q3 2017 | 31% | +1% | +3.5% | 30 Sep 2017 |
| Q2 2017 | 30% | +1% | +1.8% | 30 Jun 2017 |
| Q1 2017 | 31% | +1% | +4.8% | 31 Mar 2017 |
| Q4 2016 | 30% | 0% | -0.79% | 31 Dec 2016 |
| Q3 2016 | 30% | -2% | -6.5% | 30 Sep 2016 |
| Q2 2016 | 30% | -4% | -12% | 30 Jun 2016 |
| Q1 2016 | 30% | -6% | -16% | 31 Mar 2016 |
| Q4 2015 | 31% | -7% | -18% | 31 Dec 2015 |
| Q3 2015 | 32% | -6% | -15% | 30 Sep 2015 |
| Q2 2015 | 34% | -4% | -10% | 30 Jun 2015 |
| Q1 2015 | 35% | -3% | -7.2% | 31 Mar 2015 |
| Q4 2014 | 37% | -1% | -1.6% | 31 Dec 2014 |
| Q3 2014 | 38% | -1% | -3.5% | 30 Sep 2014 |
| Q2 2014 | 38% | -2% | -5.7% | 30 Jun 2014 |
| Q1 2014 | 38% | -2% | -6.1% | 31 Mar 2014 |
| Q4 2013 | 38% | -5% | -11% | 31 Dec 2013 |
| Q3 2013 | 39% | -5% | -11% | 30 Sep 2013 |
| Q2 2013 | 40% | -3% | -7.3% | 30 Jun 2013 |
| Q1 2013 | 40% | -1% | -2.3% | 31 Mar 2013 |
| Q4 2012 | 42% | +3% | +7.6% | 31 Dec 2012 |
| Q3 2012 | 44% | +7% | +18% | 30 Sep 2012 |
| Q2 2012 | 43% | +6% | +17% | 30 Jun 2012 |
| Q1 2012 | 41% | +5% | +15% | 31 Mar 2012 |
| Q4 2011 | 39% | +6% | +18% | 31 Dec 2011 |
| Q3 2011 | 37% | 30 Sep 2011 | ||
| Q2 2011 | 37% | 30 Jun 2011 | ||
| Q1 2011 | 36% | 31 Mar 2011 | ||
| Q4 2010 | 33% | 31 Dec 2010 |