year | # of sources | % |
---|---|---|
2013 | 661 | 63.93 |
2014 | 42 | 4.06 |
2015 | 101 | 9.77 |
2016 | 203 | 19.63 |
month | # of sources | % |
---|---|---|
2013-03 | 586 | 56.67 |
2013-04 | 46 | 4.45 |
2015-11 | 46 | 4.45 |
2016-03 | 22 | 2.13 |
2016-04 | 28 | 2.71 |
2016-05 | 34 | 3.29 |
2016-06 | 82 | 7.93 |
2016-07 | 24 | 2.32 |