| Value of Retail Trade ($) |
| Value of Wholesale Trade ($) | ||
| 2006 | 451,134,000 | 2006 | 119,067,000 | |
| 2005 | 433,914,000 |
| 2005 | 95,086,000 |
| 2004 | 413,966,000 |
| 2004 | 85,900,000 |
| 2003 | 421,648,000 |
| 2003 | 83,327,000 |
| 2002 | 413,863,000 |
| 2002 | 86,928,000 |