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 | 2007 | 0 |
| Non-citable documents | 2008 | 0 |
| Non-citable documents | 2009 | 0 |
| 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 |
| Non-citable documents | 2017 | 0 |
| Non-citable documents | 2018 | 0 |
| Non-citable documents | 2019 | 1 |
| Non-citable documents | 2020 | 1 |
| Citable documents | 2007 | 0 |
| Citable documents | 2008 | 58 |
| Citable documents | 2009 | 163 |
| Citable documents | 2010 | 224 |
| Citable documents | 2011 | 225 |
| Citable documents | 2012 | 187 |
| Citable documents | 2013 | 201 |
| Citable documents | 2014 | 284 |
| Citable documents | 2015 | 286 |
| Citable documents | 2016 | 275 |
| Citable documents | 2017 | 238 |
| Citable documents | 2018 | 233 |
| Citable documents | 2019 | 251 |
| Citable documents | 2020 | 259 |