year | # of sources | % |
---|---|---|
2009 | 1 | 2.33 |
2010 | 6 | 13.95 |
2011 | 30 | 69.77 |
2012 | 6 | 13.95 |
month | # of sources | % |
---|---|---|
2009-02 | 1 | 2.33 |
2010-01 | 1 | 2.33 |
2010-03 | 1 | 2.33 |
2010-06 | 1 | 2.33 |
2010-09 | 1 | 2.33 |
2010-10 | 1 | 2.33 |
2010-12 | 1 | 2.33 |
2011-01 | 1 | 2.33 |
2011-02 | 1 | 2.33 |
2011-04 | 2 | 4.65 |
2011-07 | 2 | 4.65 |
2011-08 | 1 | 2.33 |
2011-09 | 3 | 6.98 |
2011-11 | 6 | 13.95 |
2011-12 | 14 | 32.56 |
2012-01 | 6 | 13.95 |