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 | 2010 | 0 |
| Non-citable documents | 2011 | 0 |
| Non-citable documents | 2012 | 0 |
| Non-citable documents | 2013 | 0 |
| Non-citable documents | 2014 | 0 |
| Non-citable documents | 2015 | 0 |
| Non-citable documents | 2016 | 0 |
| Citable documents | 2010 | 72 |
| Citable documents | 2011 | 128 |
| Citable documents | 2012 | 156 |
| Citable documents | 2013 | 143 |
| Citable documents | 2014 | 147 |
| Citable documents | 2015 | 189 |
| Citable documents | 2016 | 202 |