Año	Importación	Exportación	Saldo
1519-1776	.	155.16	.
1779-1791	.	244.05	.
1796	7.97	8.31	 0.3
1797	2.23	1.42	- 0.8
1798	3.25	3.37	 0.1
1799	6.72	8.72	 2.0
1800	4.71	6.06	 1.3
1801	3.49	1.97	- 1.5
1802	22.00	38.45	 16.4
1803	19.87	14.48	- 5.4
1804	16.53	21.46	 4.9
1805	3.91	0.34	- 3.6
1806	7.14	5.48	- 1.7
1807	16.74	22.51	 5.8
1808	10.41	13.60	 3.2
1809	20.43	28.28	 7.8
1810	20.43	15.92	- 4.5
1811	11.35	9.87	- 1.5
1812	5.24	5.12	- 0.1
1813	7.93	12.10	 4.2
1814	9.67	10.40	 0.7
1815	10.99	9.18	- 1.8
1816	10.01	6.68	- 3.3
1817	8.69	8.52	- 0.2
1818	5.77	4.73	- 1.0
1819	11.00	8.68	- 2.3
1820	13.55	10.89	- 2.7
1823	4.10	2.4	-1.7
1824	12.60	4.3	-8.3
1825	20.8	5.7	-15.1
1826	16.1	9.4	-6.7
1827	16.5	19.4	2.9
1828	10.9	15.1	4.2
1855-1856	3.5	0.30	-3.2
1857	.	47.3	.
1861-1867	27.6	1.2	-26.4
1872-1873	20.9	32.7	11.8
1873-1874	23.9	28.4	4.5
1874-1875	22.6	27.5	4.9
1877-1878	26.5	26.1	-0.4
1878-1879	.	27.1	.
1879-1880	.	29.4	.
1880-1881	.	27.2	.
1881-1882	.	26.3	.
1882-1883	.	37.3	.
1883-1884	30.1	41.4	11.3
1884-1885	31	40.4	9.4
1885-1886	31.7	35.8	4.1
1886-1887	32.5	38.7	6.2
1887-1888	33.1	37.3	4.2
1888-1889	29.9	44.9	15
1889-1890	41	49.2	8.2
1890-1891	.	51.2	.
1891-1892	.	55.7	.
1892-1893	28.5	57.4	28.9
1893-1894	16.9	44.2	27.3
1894-1895	17.4	46.6	29.2
1895-1896	22.1	54.8	32.7
1896-1897	20.8	55	34.2
1897-1898	20.2	59.8	39.6
1898-1899	23.9	65.2	41.3
1899-1900	29.6	72.5	42.9
1900-1901	63.8	75.8	12
1901-1902	67.2	76.3	9.1
1902-1903	80.2	87	6.8
1903-1904	81.4	96.1	14.7
1904-1905	88.9	104	15.1
1905-1906	109.7	135.2	25.5
1906-1907	116.1	124	7.9
1907-1908	110.3	120.8	10.5
1908-1909	77.9	115	37.1
1909-1910	98.9	129.4	30.5
1910-1911	102.4	146.1	43.7
1911-1912	90.9	148.3	57.4
1912-1913	94	146.9	52.9
1913-1914	52.2	97.3	45.1
1914	19.6	36.6	17
1915	4.7	22.5	17.8
1916	3.6	20.4	16.8
1917	99.7	160.6	60.9
1918	152.6	207.5	54.9
1919	119.1	197.9	78.8
1920	147.6	425.4	277.8
1921	241.7	375.9	134.2
1922	150.5	313.9	163.4
1923	153	276	123
1924	155.2	297	141.8
1925	192.6	336.2	143.6
1926	184.2	334.2	150
1927	163.4	298.9	135.5
1928	172	284.8	112.8
1929	177.80	274.70	 96.9
1930	154.90	203.00	 48.1
1931	81.7	150.8	69.1
1932	57.3	96.4	39.1
1933	69.9	104.3	34.4
1934	92.8	178.8	86
1935	112.8	208.4	95.6
1936	128.9	215.4	86.5
1937	170.5	247.9	77.4
1938	109.3	185.4	76.1
1939	128.2	216.1	87.9
1940	132.4	213.9	81.5
1941	199.5	243.2	43.7
1942	172.2	272.5	100.3
1943	212.2	410.1	197.9
1944	311	432.2	121.2
1945	372.5	500.7	128.2
1946	600.6	570.1	- 30.5
1947	720.3	713.9	- 6.4
1948	591.4	715.5	124.1
1949	514.4	701.1	186.7
1950	555.7	493.4	- 62.3
1951	822.2	591.5	- 230.7
1952	807.4	625.3	- 182.1
1953	807.5	559.1	- 248.4
1954	788.7	615.8	- 172.9
1955	883.70	738.6	- 145.1
1956	1071.60	807.2	- 264.4
1957	1155.20	706.1	- 449.1
1958	1128.70	709.1	- 419.6
1959	1006.60	723	- 283.6
1960	1186.40	738.7	- 447.7
1961	1138.60	803.5	- 335.1
1962	1143.00	906.5	- 236.5
1963	1239.70	944.1	- 295.6
1964	1493.00	1026.70	- 466.3
1965	1559.60	1126.40	- 433.2
1966	1602.00	1169.90	- 432.1
1967	1736.80	1102.90	- 633.9
1968	1917.30	1165.00	- 752.3
1969	1988.80	1341.80	- 647.0
1970	2500.50	1289.60	-1 210.9
1971	2423.60	1365.60	-1 058.0
1972	2963.70	1666.40	-1 297.3
1973	4165.70	2071.70	-2 094.0
1974	6545.10	2853.20	-3 691.9
1975	7128.80	3062.40	-4 066.4
1976	6679.70	3655.50	-3 024.2
1977	6022.50	4649.80	-1 372.7
1978	8336.50	6063.10	-2 273.4
1979	11979.70	8817.70	-3 162.0
1980	18832.30	15134.00	-3 698.3
1981	23929.60	19419.60	-4 510.0
1982	17010.63	24055.21	7 044.6
1983	11848.28	25953.14	14 104.9
1984	15916.20	29100.35	13 184.2
1985	18359.10	26757.29	8 398.2
1986	16783.89	21803.60	5 019.7
1987	18812.43	27599.52	8 787.1
1988	28081.97	30691.50	2 609.5
1989	34765.99	35171.05	 405.1
1990	41593.26	40710.94	- 882.3
1991	49966.56	42687.70	-7 278.7
1992	62129.30	46195.50	-15 933.8
1993	65366.54	51885.97	-13 480.4
1994	79345.90	60882.22	-18 463.6
1995	72453.00	79541.55	7 088.5
1996	89468.80	95999.70	6 531.0
1997	109807.60	110431.30	 623.7