| Year |
Import |
Export |
Total |
| 2009 |
2684 |
38839 |
41523 |
| 2008 |
2652 |
41520 |
44172 |
| 2007 |
2573 |
35484 |
38057 |
| 2006 |
1678 |
30015 |
31692 |
| 2005 |
2099 |
28344 |
30443 |
| 2004 |
2787 |
21768 |
24555 |
| 2003 |
1762 |
15541 |
17303 |
| 2002 |
1199 |
13918 |
15117 |
| 2001 |
1018 |
11539 |
12557 |
| 2000 |
1475 |
11856 |
13331 |
| 1999 |
1630 |
8893 |
10523 |
| 1998 |
653 |
8456 |
9109 |
| 1997 |
75 |
8440 |
8515 |
| 1996 |
68 |
8215 |
8283 |
| 1995 |
986 |
7582 |
8568 |
| 1994 |
1277 |
6031 |
7308 |
| 1993 |
1216 |
5008 |
6224 |
| 1992 |
726 |
4007 |
4733 |
| 1991 |
151 |
3113 |
3264 |
| 1990 |
138 |
2087 |
2225 |
|