Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
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) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Only countries with three or more publications over the period 2014–2016 are included in the table.
| Country | 2014 | 2015 | 2016 | Sum |
|---|---|---|---|---|
| USA | 8 | 33 | 52 | 93 |
| UK | 8 | 18 | 22 | 48 |
| Germany | 6 | 10 | 18 | 34 |
| China | 2 | 8 | 16 | 26 |
| Switzerland | 1 | 5 | 4 | 10 |
| France | 0 | 5 | 3 | 8 |
| Japan | 0 | 1 | 6 | 7 |
| The Netherlands | 1 | 1 | 3 | 5 |
| Sweden | 0 | 2 | 2 | 4 |
| Canada | 1 | 0 | 2 | 3 |
| Czech Republic | 0 | 1 | 2 | 3 |
| Spain | 0 | 1 | 2 | 3 |
