Estamos trabajando para publicar a la mayor brevedad posible las series de datos actualizadas hasta 2007.
| Años | Importa | Exporta | Saldo |
|---|---|---|---|
| 1945 | 59.605 | -1.431 | 58.174 |
| 1946 | 10.609 | -1.397 | 9.212 |
| 1947 | 48.926 | -1.409 | 47.517 |
| 1948 | 47.367 | -1.360 | 46.007 |
| 1949 | 52.370 | -1.309 | 51.061 |
| 1950 | 62.977 | -4.241 | 58.736 |
| 1951 | 85.364 | -11.569 | 73.795 |
| 1952 | 90.311 | -19.782 | 70.529 |
| 1953 | 107.388 | -25.361 | 82.027 |
| 1954 | 145.371 | -15.138 | 130.233 |
| 1955 | 198.144 | -70.867 | 127.277 |
| 1956 | 112.244 | -215.492 | -103.248 |
| 1957 | 81.173 | -39.094 | 42.079 |
| 1958 | 117.652 | -85.932 | 31.720 |
| 1959 | 130.325 | -292.645 | -162.320 |
| 1960 | 256.985 | -393.714 | -136.729 |
| 1961 | 328.212 | -559.743 | -231.531 |
| 1962 | 334.729 | -570.793 | -236.064 |
| 1963 | 329.307 | -1.146.539 | -817.232 |
| 1964 | 191.644 | -1.746.639 | -1.554.995 |
| 1965 | 1.068.814 | -1.701.801 | -632.987 |
| 1966 | 184.549 | -2.492.081 | -2.307.532 |
| 1967 | 271.531 | -1.632.938 | -1.361.407 |
| 1968 | 126.651 | -1.873.531 | -1.746.880 |
| 1969 | 134.421 | -2.466.744 | -2.332.323 |
| 1970 | 213.340 | -1.726.865 | -1.513.525 |
| 1971 | 227.934 | -2.722.971 | -2.495.037 |
| 1972 | 303.697 | -2.212.476 | -1.908.779 |
| 1973 | 314.767 | -2.331.451 | -2.016.684 |
| 1974 | 663.972 | -1.798.539 | -1.134.567 |
| 1975 | 791.332 | -1.386.648 | -595.316 |
| 1976 | 1.640.859 | -1.617.315 | 23.544 |
| 1977 | 1.402.775 | -2.340.792 | -938.017 |
| 1978 | 1.729.411 | -3.260.814 | -1.531.403 |
| 1979 | 2.009.554 | -3.499.961 | -1.490.407 |
| 1980 | 2.306.301 | -3.778.244 | -1.471.943 |
| 1981 | 2.667.748 | -4.116.043 | -1.448.295 |
| 1982 | 1.754.773 | -4.743.828 | -2.989.055 |
| 1983 | 4.084.440 | -4.185.938 | -101.498 |
| 1984 | 5.304.554 | -2.990.276 | 2.314.278 |
| 1985 | 3.927.219 | -4.981.785 | -1.054.566 |
| 1986 | 2.895.559 | -4.151.787 | -1.256.228 |
| 1987 | 3.170.879 | -4.703.214 | -1.532.335 |
| 1988 | 3.482.501 | -4.804.417 | -1.321.916 |
| 1989 | 2.759.446 | -4.578.977 | -1.819.531 |
| 1990 | 3.208.089 | -3.627.668 | -419.579 |
| 1991 | 3.085.645 | -3.762.231 | -676.586 |
| 1992 | 4.351.686 | -3.710.562 | 641.124 |
| 1993 | 4.605.832 | -3.338.790 | 1.267.042 |
| 1994 | 5.105.907 | -3.250.802 | 1.855.105 |
| 1995 | 7.633.220 | -3.146.705 | 4.486.515 |
| 1996 | 6.745.340 | -5.685.638 | 1.059.702 |
| 1997 | 4.596.965 | -7.669.837 | -3.072.872 |
| 1998 | 8.963.742 | -5.561.878 | 3.401.864 |
| 1999 | 11.958.766 | -6.239.521 | 5.719.245 |
