| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2025 | 67 | -1 | -0.96% | 30 Sep 2025 |
| Q2 2025 | 67 | -1 | -0.86% | 30 Jun 2025 |
| Q1 2025 | 67 | +0 | +0.25% | 31 Mar 2025 |
| Q4 2024 | 69 | +2 | +3% | 31 Dec 2024 |
| Q3 2024 | 68 | +1 | +0.93% | 30 Sep 2024 |
| Q2 2024 | 67 | -4 | -6.1% | 30 Jun 2024 |
| Q1 2024 | 66 | -9 | -11.4% | 31 Mar 2024 |
| Q4 2023 | 67 | -10 | -12.9% | 31 Dec 2023 |
| Q3 2023 | 67 | -13 | -15.8% | 30 Sep 2023 |
| Q2 2023 | 72 | -7 | -8.5% | 30 Jun 2023 |
| Q1 2023 | 75 | -2 | -2.7% | 31 Mar 2023 |
| Q4 2022 | 76 | -2 | -3% | 31 Dec 2022 |
| Q3 2022 | 80 | +3 | +3.2% | 30 Sep 2022 |
| Q2 2022 | 78 | +1 | +1.9% | 30 Jun 2022 |
| Q1 2022 | 77 | +1 | +1.2% | 31 Mar 2022 |
| Q4 2021 | 79 | +4 | +5.6% | 31 Dec 2021 |
| Q3 2021 | 78 | +3 | +4.2% | 30 Sep 2021 |
| Q2 2021 | 77 | -0 | -0.01% | 30 Jun 2021 |
| Q1 2021 | 76 | -1 | -1.6% | 31 Mar 2021 |
| Q4 2020 | 75 | -3 | -4% | 31 Dec 2020 |
| Q3 2020 | 74 | -1 | -1.6% | 30 Sep 2020 |
| Q2 2020 | 77 | +4 | +6.1% | 30 Jun 2020 |
| Q1 2020 | 77 | +8 | +11.8% | 31 Mar 2020 |
| Q4 2019 | 78 | +15 | +23.9% | 31 Dec 2019 |
| Q3 2019 | 76 | +11 | +16.7% | 30 Sep 2019 |
| Q2 2019 | 72 | +7 | +10% | 30 Jun 2019 |
| Q1 2019 | 69 | +4 | +6.7% | 31 Mar 2019 |
| Q4 2018 | 63 | -10 | -13.3% | 31 Dec 2018 |
| Q3 2018 | 65 | -6 | -8.6% | 30 Sep 2018 |
| Q2 2018 | 66 | -4 | -5.1% | 30 Jun 2018 |
| Q1 2018 | 65 | -2 | -2.7% | 31 Mar 2018 |
| Q4 2017 | 72 | +12 | +20% | 31 Dec 2017 |
| Q3 2017 | 71 | +15 | +27% | 30 Sep 2017 |
| Q2 2017 | 69 | +19 | +36.9% | 30 Jun 2017 |
| Q1 2017 | 67 | +19 | +40.2% | 31 Mar 2017 |
| Q4 2016 | 60 | +16 | +35.2% | 31 Dec 2016 |
| Q3 2016 | 56 | +14 | +34.4% | 30 Sep 2016 |
| Q2 2016 | 51 | +11 | +27.1% | 30 Jun 2016 |
| Q1 2016 | 47 | +8 | +20% | 31 Mar 2016 |
| Q4 2015 | 44 | +5 | +13.1% | 31 Dec 2015 |
| Q3 2015 | 41 | -2 | -4.2% | 30 Sep 2015 |
| Q2 2015 | 40 | -8 | -16.9% | 30 Jun 2015 |
| Q1 2015 | 39 | -14 | -26% | 31 Mar 2015 |
| Q4 2014 | 39 | -23 | -36.6% | 31 Dec 2014 |
| Q3 2014 | 43 | -23 | -34.7% | 30 Sep 2014 |
| Q2 2014 | 48 | -24 | -33.5% | 30 Jun 2014 |
| Q1 2014 | 53 | -23 | -29.9% | 31 Mar 2014 |
| Q4 2013 | 62 | -17 | -21.5% | 31 Dec 2013 |
| Q3 2013 | 66 | -14 | -17.1% | 30 Sep 2013 |
| Q2 2013 | 72 | -8 | -9.9% | 30 Jun 2013 |
| Q1 2013 | 76 | -2 | -2.7% | 31 Mar 2013 |
| Q4 2012 | 79 | +3 | +3.6% | 31 Dec 2012 |
| Q3 2012 | 80 | +4 | +5.5% | 30 Sep 2012 |
| Q2 2012 | 80 | +6 | +8.6% | 30 Jun 2012 |
| Q1 2012 | 79 | +6 | +8.8% | 31 Mar 2012 |
| Q4 2011 | 77 | +7 | +9.5% | 31 Dec 2011 |
| Q3 2011 | 76 | 30 Sep 2011 | ||
| Q2 2011 | 74 | 30 Jun 2011 | ||
| Q1 2011 | 72 | 31 Mar 2011 | ||
| Q4 2010 | 70 | 31 Dec 2010 |