Month	V1	V2	Delta
Jan	86.45	230.18	143.73
Feb	88.47	139.34	50.87
Mar	88.27	233.84	145.57
Apr	85.96	205.27	119.31
May	94.40	148.51	54.12
Jun	90.25	155.49	65.24
Jul	78.36	165.85	87.49
Aug	73.37	156.43	83.06
Sep	63.31	162.31	98.99
Oct	69.50	173.45	103.95
Nov	76.42	204.12	127.69
Dec	81.60	188.41	106.81

Month	V1	V2	Delta