Microsoft Excel Question:

Best regards,
i have some problems in regression of my data, i am pleasured to solve my problem and create new regression in these data.
x y
1267.4 0.01
1267.5 0.02
1267.6 0.03
1267.7 0.04
1267.8 0.06
1267.9 0.08
1268.0 0.10
1268.1 0.13
1268.2 0.16
1268.3 0.19
1268.4 0.24
1268.5 0.29
1268.6 0.34
1268.7 0.40
1268.8 0.46
1268.9 0.52
1269.0 0.59
1269.1 0.66
1269.2 0.73
1269.3 0.81
1269.4 0.90
1269.5 0.98
1269.6 1.07
1269.7 1.16
1269.8 1.26
1269.9 1.36
1270.0 1.48
1270.1 1.62
1270.2 1.77
1270.3 1.94
1270.4 2.13
1270.5 2.32
1270.6 2.53
1270.7 2.74
1270.8 2.97
1270.9 3.21
1271.0 3.46
1271.1 3.73
1271.2 4.00
1271.3 4.28
1271.4 4.56
1271.5 4.86
1271.6 5.16
1271.7 5.46
1271.8 5.78
1271.9 6.10
1272.0 6.42
1272.1 6.76
1272.2 7.10
1272.3 7.45
1272.4 7.81
1272.5 8.17
1272.6 8.54
1272.7 8.91
1272.8 9.28
1272.9 9.66
1273.0 10.05
1273.1 10.44
1273.2 10.84
1273.3 11.24
1273.4 11.64
1273.5 12.05
1273.6 12.46
1273.7 12.88
1273.8 13.30
1273.9 13.72
1274.0 14.14
1274.1 14.58
1274.2 15.01
1274.3 15.45
1274.4 15.90
1274.5 16.34
1274.6 16.79
1274.7 17.24
1274.8 17.70
1274.9 18.16
1275.0 18.62
1275.1 19.09
1275.2 19.56
1275.3 20.04
1275.4 20.53
1275.5 21.01
1275.6 21.50
1275.7 21.99
1275.8 22.49
1275.9 22.99
1276.0 23.50
1276.1 24.01
1276.2 24.53
1276.3 25.05
1276.4 25.57
1276.5 26.09
1276.6 26.62
1276.7 27.16
1276.8 27.69
1276.9 28.23
1277.0 28.78
1277.1 29.33
1277.2 29.90
1277.3 30.47
1277.4 31.04
1277.5 31.61
1277.6 32.18
1277.7 32.75
1277.8 33.32
1277.9 33.90
1278.0 34.47