| 年份 | R&D研究人员(每百万人) |
|---|---|
| 2020 | — |
| 2019 | — |
| 2018 | — |
| 2017 | — |
| 2016 | — |
| 2015 | — |
| 2014 | 4201.0551757812 |
| 2013 | 4169.8481445312 |
| 2012 | 4073.4057617188 |
| 2011 | 3939.5114746094 |
| 2010 | 3867.9929199219 |
| 2009 | 3741.4221191406 |
| 2008 | 3653.9921875 |
| 2007 | 3580.1948242188 |
| 2006 | 3418.1320800781 |
| 2005 | 3306.6813964844 |