year | # of sources | % |
---|---|---|
2013 | 1118 | 23.62 |
2014 | 484 | 10.23 |
2015 | 2542 | 53.71 |
2016 | 448 | 9.47 |
month | # of sources | % |
---|---|---|
2013-03 | 937 | 19.80 |
2015-01 | 216 | 4.56 |
2015-02 | 116 | 2.45 |
2015-04 | 113 | 2.39 |
2015-07 | 115 | 2.43 |
2015-12 | 1592 | 33.64 |
2016-05 | 123 | 2.60 |