Year | Jan. | Feb. | March | April | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. | Average |
2016
|
6.5527 | 6.5311 | 6.5064 | 6.4762 | 6.5315 | 6.5874 | 6.6774 | 6.6474 | 6.6715 | 6.7442 | 6.8375 | 6.9182 | 6.6425 |
2017 | 6.8918 | 6.8713 | 6.8932 | 6.8845 | 6.8827 | 6.8019 | 6.7772 | 6.7148 | 6.5909 | 6.6493 | 6.6300 | 6.6067 | 6.7662 |
2018 | 6.5079 | 6.3045 | 6.3352 | 6.2764 | 6.3670 | 6.4078 | 6.6157 | 6.8293 | 6.8347 | 6.8957 | 6.9670 | 6.9431 | 6.6070 |
2019 | 6.8482 | 6.7081 | 6.6957 | 6.7193 | 6.7344 | 6.8896 | 6.8716 | 6.8938 | 7.0883 | 7.0726 | 7.0437 | 7.0262 | 6.8826 |
2020 | 6.9614 | 6.9249 | 6.9811 | 7.0771 | 7.0690 | 7.1315 | 7.0710 | 6.9980 | 6.8498 | 6.7796 | 6.7050 | 6.5921 | 6.9284 |