Overview of Memoranda per year:
| 2012 | Memoranda 1972 -- |
| 2011 | Memoranda 1932 -- 1971 |
| 2010 | Memoranda 1913 -- 1931 |
| 2009 | Memoranda 1889 -- 1912 |
| 2008 | Memoranda 1863 -- 1888 |
| 2007 | Memoranda 1815 -- 1862 |
| 2006 | Memoranda 1790 -- 1814 |
| 2005 | Memoranda 1746 -- 1789 |
| 2004 | Memoranda 1707 -- 1745 |
| 2003 | Memoranda 1668 -- 1706 |
| 2002 | Memoranda 1613 -- 1667 |
| 2001 | Memoranda 1563 -- 1612 |
| 2000 | Memoranda 1510 -- 1562 |
| 1999 | Memoranda 1481 -- 1509 |
| 1998 | Memoranda 1426 -- 1480 |