| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 71.8 | -3.37 | -4.49% | Jun 1, 2024 |
| Q1 2024 | 72.5 | -2.54 | -3.38% | Mar 2, 2024 |
| Q4 2023 | 74.2 | +0.4 | +0.54% | Dec 2, 2023 |
| Q3 2023 | 75.7 | +4.2 | +5.87% | Sep 2, 2023 |
| Q2 2023 | 75.2 | +5.88 | +8.49% | Jun 3, 2023 |
| Q1 2023 | 75.1 | +8.17 | +12.2% | Mar 4, 2023 |
| Q4 2022 | 73.8 | +8.99 | +13.9% | Dec 31, 2022 |
| Q3 2022 | 71.5 | +6.36 | +9.76% | Aug 27, 2022 |
| Q2 2022 | 69.3 | +1.52 | +2.24% | May 28, 2022 |
| Q1 2022 | 66.9 | -4.22 | -5.93% | Feb 26, 2022 |
| Q4 2021 | 64.8 | -6.83 | -9.54% | Dec 31, 2021 |
| Q3 2021 | 65.2 | -6.74 | -9.38% | Aug 28, 2021 |
| Q2 2021 | 67.7 | -5.02 | -6.9% | May 29, 2021 |
| Q1 2021 | 71.1 | -0.43 | -0.6% | Feb 27, 2021 |
| Q4 2020 | 71.6 | -1.01 | -1.39% | Nov 28, 2020 |
| Q3 2020 | 71.9 | -1.15 | -1.58% | Aug 29, 2020 |
| Q2 2020 | 72.8 | +0.54 | +0.75% | May 30, 2020 |
| Q1 2020 | 71.6 | -1.79 | -2.44% | Feb 29, 2020 |
| Q4 2019 | 72.6 | -1.77 | -2.38% | Nov 30, 2019 |
| Q3 2019 | 73 | -4 | -5.19% | Aug 31, 2019 |
| Q2 2019 | 72.2 | -7.32 | -9.2% | Jun 1, 2019 |
| Q1 2019 | 73.4 | -9.06 | -11% | Mar 2, 2019 |
| Q4 2018 | 74.4 | -10.6 | -12.5% | Dec 1, 2018 |
| Q3 2018 | 77 | -5.92 | -7.14% | Sep 1, 2018 |
| Q2 2018 | 79.5 | +2.59 | +3.37% | Jun 2, 2018 |
| Q1 2018 | 82.4 | +11.8 | +16.6% | Mar 3, 2018 |
| Q4 2017 | 85 | +18.2 | +27.2% | Dec 2, 2017 |
| Q3 2017 | 82.9 | +14.2 | +20.6% | Sep 2, 2017 |
| Q2 2017 | 77 | +5.04 | +7.01% | Jun 3, 2017 |
| Q1 2017 | 70.7 | -3.44 | -4.64% | Mar 4, 2017 |
| Q4 2016 | 66.8 | -9.56 | -12.5% | Dec 3, 2016 |
| Q3 2016 | 68.8 | -9.65 | -12.3% | Aug 27, 2016 |
| Q2 2016 | 71.9 | -5.32 | -6.89% | May 28, 2016 |
| Q1 2016 | 74.1 | -3.91 | -5.01% | Feb 27, 2016 |
| Q4 2015 | 76.4 | -0.12 | -0.16% | Nov 28, 2015 |
| Q3 2015 | 78.4 | +7.74 | +11% | Aug 29, 2015 |
| Q2 2015 | 77.2 | +7.17 | +10.2% | May 30, 2015 |
| Q1 2015 | 78 | +9.58 | +14% | Feb 28, 2015 |
| Q4 2014 | 76.5 | +8.87 | +13.1% | Nov 29, 2014 |
| Q3 2014 | 70.7* | +3.48 | +5.18% | Aug 30, 2014 |
| Q2 2014 | 70.1 | +4.52 | +6.9% | May 31, 2014 |
| Q1 2014 | 68.4 | +8.59 | +14.4% | Mar 1, 2014 |
| Q4 2013 | 67.6 | +10.3 | +17.9% | Nov 30, 2013 |
| Q3 2013 | 67.2 | +12.7 | +23.4% | Aug 31, 2013 |
| Q2 2013 | 65.6 | +10.8 | +19.8% | Jun 1, 2013 |
| Q1 2013 | 59.8 | +1.74 | +3% | Mar 2, 2013 |
| Q4 2012 | 57.3 | -1.13 | -1.93% | Dec 1, 2012 |
| Q3 2012 | 54.4 | -5.96 | -9.87% | Sep 1, 2012 |
| Q2 2012 | 54.7 | -4.95 | -8.3% | Jun 2, 2012 |
| Q1 2012 | 58.1 | Mar 3, 2012 | ||
| Q4 2011 | 58.5 | Dec 3, 2011 | ||
| Q3 2011 | 60.4 | Aug 27, 2011 | ||
| Q2 2011 | 59.7 | May 28, 2011 |