Rail lines Density

URL: https://api.data.apps.fao.org/api/v1/json_to_csv/http://fenixservices.fao.org/faostat/api/v1/en/data/FS?_patches=year3:Year,2_5:Value&area=2,3,4,5,6,7,8,9,1,10,11,52,12,13,16,14,57,255,23,53,17,18,19,80,20,21,26,27,233,29,35,115,32,33,37,39,40,351,96,128,214,41,44,45,46,47,48,98,49,50,167,107,116,250,54,72,55,56,58,59,60,61,178,63,209,238,66,67,68,70,74,75,73,79,81,84,85,86,89,90,175,91,93,95,97,99,100,101,102,103,104,105,106,109,110,112,108,114,83,118,113,120,119,121,122,123,124,126,256,129,130,131,132,133,134,127,136,137,138,145,141,273,143,144,28,147,148,149,150,153,156,157,158,159,160,154,162,221,165,180,299,166,168,169,170,171,173,174,177,179,117,146,183,185,184,188,189,191,244,193,194,195,272,196,197,200,199,198,25,201,202,277,203,38,276,207,210,211,212,208,216,176,217,218,219,220,222,223,213,227,226,230,225,229,215,231,234,235,155,236,237,249,251,181&area_cs=FAO&element=6120&item=21016&year3=20003,20013,20023,20033,20043,20053,20063,20073,20083,20093,20103,20113,20123,20133,20143,20153,20163,20173,20183&show_codes=true&show_unit=true&show_flags=true&null_values=false&output_type=objects

Total route in km per 100 square km of land area