year | # of sources | % |
---|---|---|
2010 | 3306 | 26.40 |
2011 | 8627 | 68.89 |
2013 | 564 | 4.50 |
month | # of sources | % |
---|---|---|
2010-12 | 3306 | 26.40 |
2011-01 | 551 | 4.40 |
2011-02 | 1405 | 11.22 |
2011-04 | 817 | 6.52 |
2011-06 | 379 | 3.03 |
2011-07 | 1202 | 9.60 |
2011-08 | 820 | 6.55 |
2011-09 | 467 | 3.73 |
2011-10 | 405 | 3.23 |
2011-11 | 591 | 4.72 |
2011-12 | 1990 | 15.89 |
2013-02 | 564 | 4.50 |