Table 4:
Proportion of ‘Garbage Codes’
| Year | Garbage codes (% ) |
|---|---|
| 1999 | 1.4 |
| 2000 | 2.4 |
| 2001 | 1.5 |
| 2002 | 0.3 |
| 2003 | 0.5 |
| 2004 | 0 |
| 2005 | 0 |
| 1999 – 2005 | 0.9 |
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