| FREIGHT TRAFFIC | ||||||||
| (10000 tons) | ||||||||
| Year | Total | Railways | National | Local | Highways | Waterways | Civil | Petroleum |
| Railways | Railways | Aviation | and Gas | |||||
| 1949 | 16097 | 5589 | 5589 | 7963 | 2543 | 2.4 | ||
| 1950 | 21554 | 9983 | 9983 | 8887 | 2684 | 0.1 | ||
| 1951 | 25331 | 11083 | 11083 | 10388 | 3860 | 0.2 | ||
| 1952 | 31516 | 13217 | 13217 | 13158 | 5141 | 0.2 | ||
| 1953 | 43416 | 16131 | 16131 | 20048 | 7237 | 0.4 | ||
| 1954 | 52142 | 19288 | 19288 | 22690 | 10163 | 0.5 | ||
| 1955 | 56891 | 19376 | 19376 | 25799 | 11715 | 0.5 | ||
| 1956 | 75026 | 24605 | 24605 | 36695 | 13726 | 0.8 | ||
| 1957 | 80365 | 27421 | 27421 | 37505 | 15438 | 0.8 | ||
| 1958 | 112292 | 38109 | 38109 | 53085 | 21096 | 1.5 | ||
| 1959 | 149916 | 54410 | 54410 | 66932 | 28571 | 2.6 | ||
| 1960 | 170563 | 67219 | 67219 | 70786 | 32555 | 3.2 | ||
| 1961 | 110573 | 44988 | 44988 | 43038 | 22544 | 2.9 | ||
| 1962 | 85521 | 35261 | 34598 | 663 | 32794 | 17464 | 1.8 | |
| 1963 | 88154 | 36418 | 35953 | 465 | 34602 | 17132 | 2.1 | |
| 1964 | 104320 | 41786 | 41230 | 556 | 42358 | 20174 | 2.2 | |
| 1965 | 121083 | 49100 | 48358 | 742 | 48987 | 22993 | 2.7 | |
| 1966 | 131454 | 54951 | 54150 | 801 | 52531 | 23969 | 3.3 | |
| 1967 | 110833 | 43089 | 42140 | 949 | 47066 | 20674 | 3.9 | |
| 1968 | 103240 | 42095 | 40970 | 1125 | 42166 | 18976 | 3.0 | |
| 1969 | 123923 | 53120 | 51787 | 1333 | 49115 | 21685 | 3.3 | |
| 1970 | 150359 | 68132 | 66552 | 1580 | 56779 | 25444 | 3.7 | |
| 1971 | 169106 | 76471 | 74190 | 2281 | 63080 | 28398 | 3.3 | 1154 |
| 1972 | 178721 | 80873 | 78833 | 2040 | 65409 | 30174 | 3.0 | 2262 |
| 1973 | 186527 | 83111 | 81294 | 1817 | 68489 | 32159 | 2.8 | 2765 |
| 1974 | 180961 | 78772 | 76973 | 1799 | 66860 | 31535 | 3.5 | 3791 |
| 1975 | 202478 | 88955 | 86746 | 2209 | 72499 | 34987 | 4.7 | 6032 |
| 1976 | 201757 | 84066 | 82116 | 1950 | 74256 | 35528 | 5.3 | 7902 |
| 1977 | 223915 | 95309 | 92711 | 2598 | 80833 | 38861 | 5.3 | 8907 |
| 1978 | 248946 | 110119 | 107492 | 2627 | 85182 | 43292 | 6.4 | 10347 |
| 1979 | 537508 | 111893 | 109495 | 2398 | 371036 | 43229 | 8.0 | 11342 |
| 1980 | 546537 | 111279 | 108584 | 2695 | 382048 | 42676 | 8.9 | 10525 |
| 1981 | 523764 | 107673 | 104836 | 2837 | 363663 | 41490 | 9.4 | 10929 |
| 1982 | 548205 | 113495 | 111048 | 2447 | 379205 | 44329 | 10.2 | 11166 |
| 1983 | 576887 | 118784 | 116070 | 2714 | 401413 | 45058 | 11.6 | 11620 |
| 1984 | 716907 | 124074 | 121215 | 2859 | 533382 | 46892 | 15.0 | 12544 |
| 1985 | 745763 | 130709 | 127516 | 3193 | 538062 | 63322 | 19.5 | 13650 |
| 1986 | 853557 | 135635 | 132219 | 3416 | 620113 | 82962 | 22.4 | 14825 |
| 1987 | 948229 | 140653 | 136949 | 3704 | 711424 | 80979 | 29.9 | 15143 |
| 1988 | 982195 | 144948 | 140553 | 4395 | 732315 | 89281 | 32.8 | 15618 |
| 1989 | 988435 | 151489 | 146804 | 4685 | 733781 | 87493 | 31.0 | 15641 |
| 1990 | 970602 | 150681 | 146209 | 4472 | 724040 | 80094 | 37.0 | 15751 |
| 1991 | 985793 | 152893 | 147898 | 4995 | 733907 | 83370 | 45.2 | 15578 |
| 1992 | 1045899 | 157627 | 152317 | 5310 | 780941 | 92490 | 57.5 | 14783 |
| 1993 | 1115771 | 162663 | 156660 | 6003 | 840256 | 97938 | 69.4 | 14845 |
| 1994 | 1180273 | 163093 | 157155 | 5938 | 894914 | 107091 | 82.9 | 15092 |
| 1995 | 1234810 | 165855 | 159346 | 6509 | 940387 | 113194 | 101.1 | 15274 |
| 1996 | 1296200 | 168803 | 161678 | 7125 | 983860 | 127430 | 115.0 | 15992 |
| 1997 | 1275802 | 169734 | 161880 | 7854 | 976536 | 113406 | 124.7 | 16002 |
| 1998 | 1264361 | 161243 | 153208 | 8035 | 976004 | 109555 | 140.1 | 17419 |
| 1999 | 156881 | 7296 | 990444 | 114608 | 170 | 20232 | ||