Scientific and technical journal articles refer to the number of scientific and engineering articles published in the following fields: physics, biology, chemistry, mathematics, clinical medicine, biomedical research, engineering and technology, and earth and space sciences.
| Fecha | Valor | Cambiar , % |
|---|---|---|
| 2020 | 455.856 | 4,07 % |
| 2019 | 438.020 | 0,69 % |
| 2018 | 435.034 | 1,12 % |
| 2017 | 430.198 | 0,40 % |
| 2016 | 428.476 | 0,06 % |
| 2015 | 428.204 | 0,01 % |
| 2014 | 428.141 | 0,36 % |
| 2013 | 426.597 | 0,34 % |
| 2012 | 425.131 | 0,45 % |
| 2011 | 423.222 | 3,35 % |
| 2010 | 409.512 | 2,44 % |
| 2009 | 399.757 |