Apr 1: 318.0
Apr 2: 317.2
Apr 3: 317.8
Apr 4: 317.6
Apr 5: 318.1
Apr 6: 318.2
Apr 7: 318.5
Apr 8: 318.2
Apr 9: 317.9
Apr 10: 317.8
Apr 11: 318.2
Apr 12: 318.5
Apr 13: 318.2
Apr 14: 316.2
Apr 15: 317.1
Apr 16: 317.0
Apr 17: 316.4
Apr 18: 316.6
Apr 19: 316.1
Apr 20: 315.9
Apr 21: 316.3
Apr 22: 315.0
Apr 23: 313.9
Apr 24: 311.5
Apr 25: 310.3
Apr 26: 310.9
Apr 27: 311.3
Apr 28: 311.1
Apr 29: 312.1
Apr 30: 312.4