| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2025 | 93% | -2% | -1.6% | 30 Sep 2025 |
| Q2 2025 | 93% | -2% | -2.2% | 30 Jun 2025 |
| Q1 2025 | 93% | -3% | -2.9% | 31 Mar 2025 |
| Q4 2024 | 94% | -3% | -3.1% | 31 Dec 2024 |
| Q3 2024 | 95% | -3% | -3.4% | 30 Sep 2024 |
| Q2 2024 | 95% | -3% | -3.3% | 30 Jun 2024 |
| Q1 2024 | 96% | -4% | -4.2% | 31 Mar 2024 |
| Q4 2023 | 97% | -6% | -6.3% | 31 Dec 2023 |
| Q3 2023 | 98% | -10% | -9.2% | 30 Sep 2023 |
| Q2 2023 | 99% | -8% | -7.8% | 30 Jun 2023 |
| Q1 2023 | 100% | -4% | -3.7% | 31 Mar 2023 |
| Q4 2022 | 103% | +2% | +2.4% | 31 Dec 2022 |
| Q3 2022 | 108% | +13% | +14% | 30 Sep 2022 |
| Q2 2022 | 107% | +13% | +14% | 30 Jun 2022 |
| Q1 2022 | 104% | +8% | +8% | 31 Mar 2022 |
| Q4 2021 | 101% | +2% | +2.2% | 31 Dec 2021 |
| Q3 2021 | 95% | -8% | -7.8% | 30 Sep 2021 |
| Q2 2021 | 94% | -13% | -12% | 30 Jun 2021 |
| Q1 2021 | 97% | -12% | -11% | 31 Mar 2021 |
| Q4 2020 | 99% | -12% | -11% | 31 Dec 2020 |
| Q3 2020 | 103% | -6% | -5.3% | 30 Sep 2020 |
| Q2 2020 | 107% | -1% | -0.88% | 30 Jun 2020 |
| Q1 2020 | 109% | +3% | +2.6% | 31 Mar 2020 |
| Q4 2019 | 111% | +6% | +6% | 31 Dec 2019 |
| Q3 2019 | 108% | +3% | +2.5% | 30 Sep 2019 |
| Q2 2019 | 108% | 0% | +0.42% | 30 Jun 2019 |
| Q1 2019 | 106% | -1% | -1.3% | 31 Mar 2019 |
| Q4 2018 | 104% | -2% | -1.9% | 31 Dec 2018 |
| Q3 2018 | 106% | -1% | -0.58% | 30 Sep 2018 |
| Q2 2018 | 107% | +2% | +1.4% | 30 Jun 2018 |
| Q1 2018 | 107% | 0% | +0.36% | 31 Mar 2018 |
| Q4 2017 | 106% | -2% | -2% | 31 Dec 2017 |
| Q3 2017 | 106% | -2% | -2.2% | 30 Sep 2017 |
| Q2 2017 | 106% | -2% | -2.3% | 30 Jun 2017 |
| Q1 2017 | 107% | +1% | +0.72% | 31 Mar 2017 |
| Q4 2016 | 109% | +5% | +4.4% | 31 Dec 2016 |
| Q3 2016 | 109% | +7% | +6.9% | 30 Sep 2016 |
| Q2 2016 | 108% | +6% | +5.8% | 30 Jun 2016 |
| Q1 2016 | 106% | +3% | +2.8% | 31 Mar 2016 |
| Q4 2015 | 104% | +1% | +1.3% | 31 Dec 2015 |
| Q3 2015 | 102% | -1% | -1.2% | 30 Sep 2015 |
| Q2 2015 | 102% | +1% | +0.7% | 30 Jun 2015 |
| Q1 2015 | 103% | +3% | +2.6% | 31 Mar 2015 |
| Q4 2014 | 103% | 0% | -0.16% | 31 Dec 2014 |
| Q3 2014 | 103% | -5% | -5% | 30 Sep 2014 |
| Q2 2014 | 102% | -15% | -13% | 30 Jun 2014 |
| Q1 2014 | 101% | -27% | -21% | 31 Mar 2014 |
| Q4 2013 | 103% | -38% | -27% | 31 Dec 2013 |
| Q3 2013 | 108% | -40% | -27% | 30 Sep 2013 |
| Q2 2013 | 117% | -34% | -23% | 30 Jun 2013 |
| Q1 2013 | 128% | -24% | -16% | 31 Mar 2013 |
| Q4 2012 | 141% | 31 Dec 2012 | ||
| Q3 2012 | 149% | 30 Sep 2012 | ||
| Q2 2012 | 151% | 30 Jun 2012 | ||
| Q1 2012 | 152% | 31 Mar 2012 |