| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2025 | 44 | -1 | -2.4% | 30 Sep 2025 |
| Q2 2025 | 45 | -2 | -3.3% | 30 Jun 2025 |
| Q1 2025 | 44 | -3 | -6.8% | 31 Mar 2025 |
| Q4 2024 | 45 | -3 | -6.5% | 31 Dec 2024 |
| Q3 2024 | 45 | -4 | -8.1% | 30 Sep 2024 |
| Q2 2024 | 46 | -4 | -7.4% | 30 Jun 2024 |
| Q1 2024 | 48 | -3 | -6.2% | 31 Mar 2024 |
| Q4 2023 | 48 | -3 | -5.8% | 31 Dec 2023 |
| Q3 2023 | 49 | -2 | -4.7% | 30 Sep 2023 |
| Q2 2023 | 50 | -3 | -6.1% | 30 Jun 2023 |
| Q1 2023 | 51 | -3 | -5.3% | 31 Mar 2023 |
| Q4 2022 | 51 | -3 | -5.2% | 31 Dec 2022 |
| Q3 2022 | 52 | -3 | -5.3% | 30 Sep 2022 |
| Q2 2022 | 53 | -2 | -3.1% | 30 Jun 2022 |
| Q1 2022 | 54 | -2 | -3.7% | 31 Mar 2022 |
| Q4 2021 | 54 | -0 | -0.55% | 31 Dec 2021 |
| Q3 2021 | 55 | +0 | +0.78% | 30 Sep 2021 |
| Q2 2021 | 55 | +1 | +1.3% | 30 Jun 2021 |
| Q1 2021 | 56 | +2 | +4.1% | 31 Mar 2021 |
| Q4 2020 | 54 | +1 | +1.5% | 31 Dec 2020 |
| Q3 2020 | 54 | +1 | +1.5% | 30 Sep 2020 |
| Q2 2020 | 54 | +1 | +1.7% | 30 Jun 2020 |
| Q1 2020 | 53 | +0 | +0.15% | 31 Mar 2020 |
| Q4 2019 | 54 | -0 | -0.81% | 31 Dec 2019 |
| Q3 2019 | 53 | 0 | 0% | 30 Sep 2019 |
| Q2 2019 | 53 | -0 | -0.48% | 30 Jun 2019 |
| Q1 2019 | 53 | +0 | +0.02% | 31 Mar 2019 |
| Q4 2018 | 54 | +0 | +0.2% | 31 Dec 2018 |
| Q3 2018 | 53 | -2 | -3% | 30 Sep 2018 |
| Q2 2018 | 53 | -2 | -3.3% | 30 Jun 2018 |
| Q1 2018 | 53 | -2 | -3.9% | 31 Mar 2018 |
| Q4 2017 | 54 | -1 | -1.6% | 31 Dec 2017 |
| Q3 2017 | 55 | -0 | -0.16% | 30 Sep 2017 |
| Q2 2017 | 55 | -0 | -0.05% | 30 Jun 2017 |
| Q1 2017 | 56 | +0 | +0.38% | 31 Mar 2017 |
| Q4 2016 | 55 | -0 | -0.54% | 31 Dec 2016 |
| Q3 2016 | 55 | +0 | +0.13% | 30 Sep 2016 |
| Q2 2016 | 55 | +0 | +0.54% | 30 Jun 2016 |
| Q1 2016 | 55 | -0 | -0.22% | 31 Mar 2016 |
| Q4 2015 | 55 | -1 | -2.4% | 31 Dec 2015 |
| Q3 2015 | 55 | -2 | -4.2% | 30 Sep 2015 |
| Q2 2015 | 55 | -4 | -6.2% | 30 Jun 2015 |
| Q1 2015 | 55 | -4 | -6.8% | 31 Mar 2015 |
| Q4 2014 | 57 | -2 | -3.4% | 31 Dec 2014 |
| Q3 2014 | 58 | -0 | -0.05% | 30 Sep 2014 |
| Q2 2014 | 59 | +2 | +3.1% | 30 Jun 2014 |
| Q1 2014 | 59 | +3 | +5.4% | 31 Mar 2014 |
| Q4 2013 | 59 | +3 | +4.8% | 31 Dec 2013 |
| Q3 2013 | 58 | +1 | +2.5% | 30 Sep 2013 |
| Q2 2013 | 57 | +1 | +1.6% | 30 Jun 2013 |
| Q1 2013 | 56 | +1 | +0.96% | 31 Mar 2013 |
| Q4 2012 | 56 | -0 | -0.37% | 31 Dec 2012 |
| Q3 2012 | 56 | +0 | +0.28% | 30 Sep 2012 |
| Q2 2012 | 56 | -1 | -1.2% | 30 Jun 2012 |
| Q1 2012 | 56 | -1 | -1.7% | 31 Mar 2012 |
| Q4 2011 | 56 | -1 | -1.6% | 31 Dec 2011 |
| Q3 2011 | 56 | 30 Sep 2011 | ||
| Q2 2011 | 57 | 30 Jun 2011 | ||
| Q1 2011 | 57 | 31 Mar 2011 | ||
| Q4 2010 | 57 | 31 Dec 2010 |