Table 1 Development of open access publishing by all Dutch UMCs combined, 2013–2018, absolute number of publications
Open access status | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 |
|---|---|---|---|---|---|---|
Closed | 7447 (51%) | 7481 (50%) | 7556 (45%) | 6379 (37%) | 5683 (33%) | 5375 (30%) |
Open access | 7197 (49%) | 7590 (50%) | 9239 (55%) | 10,740 (63%) | 11,399 (67%) | 12,794 (70%) |
Gold | 2153 | 2427 | 2937 | 3223 | 3544 | 4032 |
Green | 6116 | 6546 | 7931 | 8780 | 9156 | 10,714 |
Hybrid | 1039 | 1136 | 1700 | 2648 | 3062 | 3916 |
Bronze | 2162 | 2172 | 2612 | 2972 | 2829 | 2680 |