| Publication Type | Publication | Link | DOI | Year |
|---|---|---|---|
| Report to Respondent | Respondent Report 2055 | 1998 | |
| Report to Respondent | Respondent Report 2057 | 2000 | |
| Report to Respondent | Respondent Report 2060 | 2003 | |
| Report to Respondent | Respondent Report 2067 | 2010 | |
| Report to Respondent | Respondent Report 2074 | 2017 | |
| Annual Report | Annual Report 1995 | 1995 | |
| Annual Report | Annual Report 1996 | 1996 | |
| Annual Report | Annual Report 1997 | 1997 | |
| Annual Report | Annual Report 1998 and 1999 | 1999 | |
| Annual Report | Annual Report 2000 and 2002 | 2002 |