| 年份 | R&D研究人员(每百万人) |
|---|---|
| 2020 | — |
| 2019 | — |
| 2018 | — |
| 2017 | — |
| 2016 | — |
| 2015 | — |
| 2014 | 4252.3623046875 |
| 2013 | 4185.689453125 |
| 2012 | 4029.2783203125 |
| 2011 | 3979.3842773438 |
| 2010 | 4091.1755371094 |
| 2009 | 4116.3505859375 |
| 2008 | 4083.8588867188 |
| 2007 | 4131.5336914062 |
| 2006 | 4188.19140625 |
| 2005 | 4128.8696289062 |