| 1970 |
2,603 |
328,8 |
42,469 |
39,866 |
| 1971 |
-2,260 |
-186,8 |
43,319 |
45,579 |
| 1972 |
-6,416 |
183,9 |
49,381 |
55,797 |
| 1973 |
911 |
-114,2 |
71,410 |
70,499 |
| 1974 |
-5,505 |
-704,3 |
98,306 |
103,811 |
| 1975 |
8,903 |
-261,7 |
107,088 |
98,185 |
| 1976 |
-9,483 |
-206,5 |
114,745 |
124,228 |
| 1977 |
-31,991 |
227,9 |
120,816 |
151,907 |
| 1978 |
-33,927 |
9,1 |
142,075 |
176,002 |
| 1979 |
-27,568 |
-18,7 |
184,439 |
212,007 |
| 1980 |
-25,500 |
-7,5 |
224,250 |
249,750 |
| 1981 |
-28,023 |
9,9 |
237,044 |
265,067 |
| 1982 |
-36,485 |
30,2 |
211,157 |
247,642 |
| 1983 |
-67,102 |
83,9 |
201,799 |
268,901 |
| 1984 |
-112,492 |
67,6 |
219,926 |
332,418 |
| 1985 |
-122,173 |
8,6 |
215,935 |
338,088 |
| 1986 |
-145,081 |
18,8 |
223,344 |
368,425 |
| 1987 |
-159,557 |
10,0 |
250,208 |
409,765 |
| 1988 |
-126,959 |
-20,4 |
320,230 |
447,189 |
| 1989 |
-117,749 |
-7,3 |
359,916 |
477,665 |
| 1990 |
-111,037 |
-5,7 |
387,401 |
498,438 |
| 1991 |
-76,937 |
-30,7 |
414,083 |
491,020 |
| 1992 |
-96,897 |
25,9 |
439,631 |
536,528 |
| 1993 |
-132,451 |
36,7 |
456,943 |
589,394 |
| 1994 |
-165,831 |
25,2 |
502,859 |
668,690 |
| 1995 |
-174,170 |
5,0 |
575,204 |
749,374 |
| 1996 |
-191,000 |
9,7 |
612,113 |
803,113 |
| 1997 |
-198,104 |
3,7 |
678,366 |
876,470 |
| 1998 |
-246,687 |
24,5 |
670,416 |
917,103 |
| 1999 |
-346,015 |
40,3 |
683,965 |
1,029,980 |
| 2000 |
-452,414 |
30,7 |
771,994 |
1,224,408 |
| 2001 |
-427,188 |
-5,6 |
718,712 |
1,145,900 |
| 2002 |
-482,297 |
12,9 |
682,422 |
1,164,720 |
| 2003 |
-547,296 |
13,5 |
713,421 |
1,260,717 |
| 2004 |
-665,390 |
21,6 |
807,536 |
1,472,926 |