Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Articles distribution through the years
| Years | % (n) of articles |
|---|---|
| 2009 | 2.96% (29) |
| 2010 | 3.16% (31) |
| 2011 | 4.38% (43) |
| 2012 | 6.93% (68) |
| 2013 | 6.73% (66) |
| 2014 | 8.36% (82) |
| 2015 | 8.46% (83) |
| 2016 | 11.11% (109) |
| 2017 | 14.48% (142) |
| 2018 | 15.19% (149) |
| 2019 | 18.25% (179) |
