Date	(US$ Billion)
2020.04	481.78
2020.03	480.39
2020.02	479.68
2020.01	479.13
2019.12	478.13
2019.11	474.05
2019.10	472.48
2019.09	469.49
2019.08	468.17
2019.07	467.23
2019.06	466.97
2019.05	464.43
2019.04	464.83
2019.03	464.08
2019.02	463.94
2019.01	463.04
2018.12	461.78
2018.11	461.38
2018.10	460.18
2018.09	460.44