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| 1993 | 34634.4 |
| 1994 | 46759.4 |
| 1995 | 58478.1 |
| 1996 | 67884.6 |
| 1997 | 74462.6 |
| 1998 | 78345.2 |
| 1999 | 82067.5 |
| 2000 | 89468.1 |
| 2001 | 97314.8 |
| 2002 | 104790.6 |
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