Economical publications
| 2010 |
Q1 | ||||
| 2009 |
Q1 | Q2 | Q3 | Q4 | Annual report |
| 2008 |
Q1 | Q2 | Q3 | Q4 | Annual report |
| 2007 |
Q1 | Q2 | Q3 | Q4 | Annual report |
| 2006 |
Q1 | Q2 | Q3 | Q4 | Annual report |
| 2005 |
Q1 | Q2 | Q3 | Q4 | Annual report |
| 2004 |
Q1 | Q2 | Q3 | Q4 | Annual report |
| 2003 |
Q1 | Q2 | Q3 | Q4 | Annual report |
| 2002 |
N/A | N/A | Q3 | Q4 | Annual report |
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