i have nearly 200000 rows same this in 2 column:
t10d dollar
0105010300 3957.06
0105020301 1268.57
0105020402 317.14
0105020503 3171.43
0105020604 951.43
0105020705 5264.29
0105020806 4057.53
0301020000 27738.37
0303010000 312924.21
t10d=tariff in 10 digit for u.s...