Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.
Documents | Year | Value |
Non-citable documents | 1999 | 71 |
Non-citable documents | 2000 | 64 |
Non-citable documents | 2001 | 74 |
Non-citable documents | 2002 | 55 |
Non-citable documents | 2003 | 31 |
Citable documents | 1999 | 225 |
Citable documents | 2000 | 225 |
Citable documents | 2001 | 302 |
Citable documents | 2002 | 225 |
Citable documents | 2003 | 154 |