year | # of sources | % |
---|---|---|
2006 | 67 | 2.71 |
2007 | 53 | 2.14 |
2009 | 227 | 9.17 |
2011 | 53 | 2.14 |
2012 | 50 | 2.02 |
2013 | 1102 | 44.53 |
2014 | 250 | 10.10 |
2015 | 205 | 8.28 |
2016 | 188 | 7.60 |
2017 | 239 | 9.66 |
month | # of sources | % |
---|---|---|
2009-05 | 91 | 3.68 |
2013-04 | 899 | 36.32 |
2013-05 | 122 | 4.93 |
2014-01 | 118 | 4.77 |
2017-03 | 74 | 2.99 |
2017-11 | 50 | 2.02 |