| 年份 | R&D研究人员(每百万人) |
|---|---|
| 2020 | — |
| 2019 | — |
| 2018 | — |
| 2017 | — |
| 2016 | — |
| 2015 | — |
| 2014 | 5386.1538085938 |
| 2013 | 5201.31640625 |
| 2012 | 5083.7495117188 |
| 2011 | 5160.2045898438 |
| 2010 | 5152.6313476562 |
| 2009 | 5147.8359375 |
| 2008 | 5157.7666015625 |
| 2007 | 5377.6889648438 |
| 2006 | 5386.994140625 |
| 2005 | 5360.1958007812 |