| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2023 | 76.8 | +3.62 | +4.95% | 31 Mar 2023 |
| Q4 2022 | 71.1 | -0.74 | -1.03% | 31 Dec 2022 |
| Q3 2022 | 71.3 | +4.87 | +7.34% | 30 Sep 2022 |
| Q2 2022 | 74 | +6.98 | +10.4% | 30 Jun 2022 |
| Q1 2022 | 73.1 | +3.7 | +5.33% | 31 Mar 2022 |
| Q4 2021 | 71.9 | -9.99 | -12.2% | 31 Dec 2021 |
| Q3 2021 | 66.4 | -36.4 | -35.4% | 30 Sep 2021 |
| Q2 2021 | 67 | -43 | -39.1% | 30 Jun 2021 |
| Q1 2021 | 69.4 | -36.7 | -34.6% | 31 Mar 2021 |
| Q4 2020 | 81.8 | -20 | -19.6% | 31 Dec 2020 |
| Q3 2020 | 103 | +0.93 | +0.91% | 30 Sep 2020 |
| Q2 2020 | 110 | +6.85 | +6.64% | 30 Jun 2020 |
| Q1 2020 | 106 | -7.29 | -6.43% | 31 Mar 2020 |
| Q4 2019 | 102 | -21.6 | -17.5% | 31 Dec 2019 |
| Q3 2019 | 102 | -28 | -21.5% | 30 Sep 2019 |
| Q2 2019 | 103 | -30.9 | -23% | 30 Jun 2019 |
| Q1 2019 | 113 | -22.1 | -16.3% | 31 Mar 2019 |
| Q4 2018 | 123 | -15.4 | -11.1% | 31 Dec 2018 |
| Q3 2018 | 130 | -6.63 | -4.86% | 30 Sep 2018 |
| Q2 2018 | 134 | -5.72 | -4.1% | 30 Jun 2018 |
| Q1 2018 | 135 | -7.11 | -4.99% | 31 Mar 2018 |
| Q4 2017 | 139 | -4.34 | -3.03% | 31 Dec 2017 |
| Q3 2017 | 137 | +3.01 | +2.25% | 30 Sep 2017 |
| Q2 2017 | 140 | +9.57 | +7.36% | 30 Jun 2017 |
| Q1 2017 | 143 | +13.8 | +10.7% | 31 Mar 2017 |
| Q4 2016 | 143 | +16.2 | +12.7% | 31 Dec 2016 |
| Q3 2016 | 134 | -3.37 | -2.46% | 30 Sep 2016 |
| Q2 2016 | 130 | -8.19 | -5.92% | 30 Jun 2016 |
| Q1 2016 | 129 | -11.4 | -8.12% | 31 Mar 2016 |
| Q4 2015 | 127 | -17.1 | -11.9% | 31 Dec 2015 |
| Q3 2015 | 137 | -10.1 | -6.85% | 30 Sep 2015 |
| Q2 2015 | 138 | -12.6 | -8.36% | 30 Jun 2015 |
| Q1 2015 | 140 | -14.4 | -9.34% | 31 Mar 2015 |
| Q4 2014 | 144 | -9.5 | -6.18% | 31 Dec 2014 |
| Q3 2014 | 147 | -4.42 | -2.92% | 30 Sep 2014 |
| Q2 2014 | 151 | +2.94 | +1.99% | 30 Jun 2014 |
| Q1 2014 | 155 | +9.49 | +6.54% | 31 Mar 2014 |
| Q4 2013 | 154 | +12.5 | +8.85% | 31 Dec 2013 |
| Q3 2013 | 151 | +11 | +7.86% | 30 Sep 2013 |
| Q2 2013 | 148 | +7.67 | +5.47% | 30 Jun 2013 |
| Q1 2013 | 145 | +4.19 | +2.98% | 31 Mar 2013 |
| Q4 2012 | 141 | -2.86 | -1.99% | 31 Dec 2012 |
| Q3 2012 | 140 | -3.58 | -2.49% | 30 Sep 2012 |
| Q2 2012 | 140 | +4.16 | +3.06% | 30 Jun 2012 |
| Q1 2012 | 141 | +6.34 | +4.71% | 31 Mar 2012 |
| Q4 2011 | 144 | +10.8 | +8.14% | 31 Dec 2011 |
| Q3 2011 | 144 | 30 Sep 2011 | ||
| Q2 2011 | 136 | 30 Jun 2011 | ||
| Q1 2011 | 134 | 31 Mar 2011 | ||
| Q4 2010 | 133 | 31 Dec 2010 |