| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2025 | 26% | -1% | -2.2% | 30 Sep 2025 |
| Q2 2025 | 26% | -1% | -3.3% | 30 Jun 2025 |
| Q1 2025 | 26% | -1% | -4.9% | 31 Mar 2025 |
| Q4 2024 | 26% | -1% | -4.1% | 31 Dec 2024 |
| Q3 2024 | 26% | -2% | -5.5% | 30 Sep 2024 |
| Q2 2024 | 26% | -1% | -5.1% | 30 Jun 2024 |
| Q1 2024 | 27% | 0% | -1.3% | 31 Mar 2024 |
| Q4 2023 | 27% | 0% | -0.33% | 31 Dec 2023 |
| Q3 2023 | 28% | +1% | +2.8% | 30 Sep 2023 |
| Q2 2023 | 28% | +1% | +3% | 30 Jun 2023 |
| Q1 2023 | 27% | 0% | +0.66% | 31 Mar 2023 |
| Q4 2022 | 27% | 0% | +1.8% | 31 Dec 2022 |
| Q3 2022 | 27% | 0% | +0.37% | 30 Sep 2022 |
| Q2 2022 | 27% | 0% | +0.6% | 30 Jun 2022 |
| Q1 2022 | 27% | 0% | -0.29% | 31 Mar 2022 |
| Q4 2021 | 27% | -3% | -9.9% | 31 Dec 2021 |
| Q3 2021 | 27% | 0% | -1.6% | 30 Sep 2021 |
| Q2 2021 | 27% | -1% | -4.9% | 30 Jun 2021 |
| Q1 2021 | 27% | -1% | -4.8% | 31 Mar 2021 |
| Q4 2020 | 30% | +2% | +6% | 31 Dec 2020 |
| Q3 2020 | 27% | -1% | -3.4% | 30 Sep 2020 |
| Q2 2020 | 28% | 0% | -1% | 30 Jun 2020 |
| Q1 2020 | 29% | -1% | -2.3% | 31 Mar 2020 |
| Q4 2019 | 28% | -2% | -5.7% | 31 Dec 2019 |
| Q3 2019 | 28% | -8% | -23% | 30 Sep 2019 |
| Q2 2019 | 29% | -10% | -25% | 30 Jun 2019 |
| Q1 2019 | 29% | -10% | -26% | 31 Mar 2019 |
| Q4 2018 | 30% | -11% | -26% | 31 Dec 2018 |
| Q3 2018 | 37% | -4% | -8.7% | 30 Sep 2018 |
| Q2 2018 | 38% | -2% | -5.3% | 30 Jun 2018 |
| Q1 2018 | 39% | 0% | -0.8% | 31 Mar 2018 |
| Q4 2017 | 40% | 0% | +0.25% | 31 Dec 2017 |
| Q3 2017 | 40% | +1% | +2.3% | 30 Sep 2017 |
| Q2 2017 | 40% | +2% | +5.8% | 30 Jun 2017 |
| Q1 2017 | 40% | +1% | +1.7% | 31 Mar 2017 |
| Q4 2016 | 40% | +1% | +3.4% | 31 Dec 2016 |
| Q3 2016 | 39% | +1% | +3.2% | 30 Sep 2016 |
| Q2 2016 | 38% | -2% | -4.6% | 30 Jun 2016 |
| Q1 2016 | 39% | 0% | -0.36% | 31 Mar 2016 |
| Q4 2015 | 39% | -2% | -5.4% | 31 Dec 2015 |
| Q3 2015 | 38% | -6% | -14% | 30 Sep 2015 |
| Q2 2015 | 40% | -5% | -11% | 30 Jun 2015 |
| Q1 2015 | 39% | -7% | -14% | 31 Mar 2015 |
| Q4 2014 | 41% | -4% | -8.9% | 31 Dec 2014 |
| Q3 2014 | 44% | 0% | +1.1% | 30 Sep 2014 |
| Q2 2014 | 45% | +3% | +6.6% | 30 Jun 2014 |
| Q1 2014 | 46% | +4% | +9.6% | 31 Mar 2014 |
| Q4 2013 | 45% | +3% | +8% | 31 Dec 2013 |
| Q3 2013 | 44% | +2% | +3.6% | 30 Sep 2013 |
| Q2 2013 | 42% | -1% | -2.9% | 30 Jun 2013 |
| Q1 2013 | 42% | -2% | -4% | 31 Mar 2013 |
| Q4 2012 | 42% | -2% | -4.6% | 31 Dec 2012 |
| Q3 2012 | 42% | -2% | -4.5% | 30 Sep 2012 |
| Q2 2012 | 43% | -1% | -2% | 30 Jun 2012 |
| Q1 2012 | 43% | -1% | -1.5% | 31 Mar 2012 |
| Q4 2011 | 44% | 0% | +0.81% | 31 Dec 2011 |
| Q3 2011 | 44% | 30 Sep 2011 | ||
| Q2 2011 | 44% | 30 Jun 2011 | ||
| Q1 2011 | 44% | 31 Mar 2011 | ||
| Q4 2010 | 43% | 31 Dec 2010 |