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 | 1 |
| Non-citable documents | 2011 | 1 |
| Non-citable documents | 2012 | 1 |
| Non-citable documents | 2013 | 2 |
| Non-citable documents | 2014 | 3 |
| Non-citable documents | 2015 | 5 |
| Non-citable documents | 2016 | 4 |
| Citable documents | 2010 | 21 |
| Citable documents | 2011 | 35 |
| Citable documents | 2012 | 49 |
| Citable documents | 2013 | 68 |
| Citable documents | 2014 | 104 |
| Citable documents | 2015 | 150 |
| Citable documents | 2016 | 166 |