year | # of sources | % |
---|---|---|
2008 | 280 | 9.44 |
2009 | 2072 | 69.83 |
2010 | 611 | 20.59 |
month | # of sources | % |
---|---|---|
2008-07 | 91 | 3.07 |
2008-08 | 64 | 2.16 |
2009-05 | 251 | 8.46 |
2009-06 | 92 | 3.10 |
2009-07 | 82 | 2.76 |
2009-08 | 164 | 5.53 |
2009-09 | 202 | 6.81 |
2009-10 | 255 | 8.59 |
2009-11 | 382 | 12.87 |
2009-12 | 544 | 18.34 |
2010-01 | 611 | 20.59 |