| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2025 | 23% | -1% | -2.6% | 30 Sep 2025 |
| Q2 2025 | 23% | -2% | -9.6% | 30 Jun 2025 |
| Q1 2025 | 23% | -3% | -11% | 31 Mar 2025 |
| Q4 2024 | 23% | -2% | -8.9% | 31 Dec 2024 |
| Q3 2024 | 24% | -1% | -5.4% | 30 Sep 2024 |
| Q2 2024 | 25% | +1% | +2.5% | 30 Jun 2024 |
| Q1 2024 | 26% | +1% | +4.6% | 31 Mar 2024 |
| Q4 2023 | 25% | +1% | +3.5% | 31 Dec 2023 |
| Q3 2023 | 25% | +1% | +2.5% | 30 Sep 2023 |
| Q2 2023 | 25% | 0% | +1.3% | 30 Jun 2023 |
| Q1 2023 | 25% | 0% | -1.4% | 31 Mar 2023 |
| Q4 2022 | 25% | 0% | +0.65% | 31 Dec 2022 |
| Q3 2022 | 25% | +2% | +6.7% | 30 Sep 2022 |
| Q2 2022 | 25% | 0% | 0% | 30 Jun 2022 |
| Q1 2022 | 25% | 0% | -0.84% | 31 Mar 2022 |
| Q4 2021 | 24% | -1% | -3.1% | 31 Dec 2021 |
| Q3 2021 | 23% | -4% | -15% | 30 Sep 2021 |
| Q2 2021 | 25% | -2% | -8.3% | 30 Jun 2021 |
| Q1 2021 | 25% | -2% | -7.8% | 31 Mar 2021 |
| Q4 2020 | 25% | -3% | -12% | 31 Dec 2020 |
| Q3 2020 | 27% | -1% | -3% | 30 Sep 2020 |
| Q2 2020 | 27% | -1% | -5% | 30 Jun 2020 |
| Q1 2020 | 27% | -1% | -3.1% | 31 Mar 2020 |
| Q4 2019 | 29% | 0% | +1.7% | 31 Dec 2019 |
| Q3 2019 | 28% | -1% | -3.8% | 30 Sep 2019 |
| Q2 2019 | 28% | 0% | -1.3% | 30 Jun 2019 |
| Q1 2019 | 28% | -1% | -2% | 31 Mar 2019 |
| Q4 2018 | 28% | +1% | +3.5% | 31 Dec 2018 |
| Q3 2018 | 29% | +2% | +6.1% | 30 Sep 2018 |
| Q2 2018 | 29% | 0% | -1.3% | 30 Jun 2018 |
| Q1 2018 | 29% | -2% | -5.7% | 31 Mar 2018 |
| Q4 2017 | 27% | -4% | -13% | 31 Dec 2017 |
| Q3 2017 | 27% | -3% | -8.9% | 30 Sep 2017 |
| Q2 2017 | 29% | 0% | -0.55% | 30 Jun 2017 |
| Q1 2017 | 30% | +2% | +7.9% | 31 Mar 2017 |
| Q4 2016 | 31% | +4% | +13% | 31 Dec 2016 |
| Q3 2016 | 30% | +1% | +3.6% | 30 Sep 2016 |
| Q2 2016 | 29% | +2% | +7.8% | 30 Jun 2016 |
| Q1 2016 | 28% | 0% | +0.93% | 31 Mar 2016 |
| Q4 2015 | 28% | -1% | -2% | 31 Dec 2015 |
| Q3 2015 | 29% | 0% | -0.1% | 30 Sep 2015 |
| Q2 2015 | 27% | -6% | -19% | 30 Jun 2015 |
| Q1 2015 | 28% | -6% | -18% | 31 Mar 2015 |
| Q4 2014 | 28% | -8% | -22% | 31 Dec 2014 |
| Q3 2014 | 29% | -7% | -20% | 30 Sep 2014 |
| Q2 2014 | 33% | -4% | -12% | 30 Jun 2014 |
| Q1 2014 | 34% | -4% | -10% | 31 Mar 2014 |
| Q4 2013 | 36% | -2% | -5.7% | 31 Dec 2013 |
| Q3 2013 | 36% | -3% | -7.2% | 30 Sep 2013 |
| Q2 2013 | 38% | 0% | -0.34% | 30 Jun 2013 |
| Q1 2013 | 38% | -1% | -1.8% | 31 Mar 2013 |
| Q4 2012 | 38% | 0% | -0.54% | 31 Dec 2012 |
| Q3 2012 | 39% | +1% | +2.2% | 30 Sep 2012 |
| Q2 2012 | 38% | 0% | -0.26% | 30 Jun 2012 |
| Q1 2012 | 38% | 0% | +0.76% | 31 Mar 2012 |
| Q4 2011 | 39% | 0% | -0.8% | 31 Dec 2011 |
| Q3 2011 | 38% | 30 Sep 2011 | ||
| Q2 2011 | 38% | 30 Jun 2011 | ||
| Q1 2011 | 38% | 31 Mar 2011 | ||
| Q4 2010 | 39% | 31 Dec 2010 |