Article usage
Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.
HW statistics
Monthly Stats
| Month | Abstract | Full | |
|---|---|---|---|
| June 2013 | 19 | 9 | 5 |
| May 2013 | 33 | 17 | 7 |
| April 2013 | 29 | 30 | 11 |
| March 2013 | 20 | 18 | 6 |
| February 2013 | 15 | 15 | 3 |
| January 2013 | 35 | 16 | 1 |
| December 2012 | 42 | 18 | 5 |
| November 2012 | 62 | 34 | 11 |
| October 2012 | 40 | 22 | 7 |
| September 2012 | 51 | 16 | 9 |
| August 2012 | 60 | 37 | 13 |
| July 2012 | 41 | 17 | 6 |
| June 2012 | 49 | 24 | 6 |
| May 2012 | 53 | 16 | 8 |
| April 2012 | 70 | 47 | 12 |
| March 2012 | 78 | 47 | 22 |
| February 2012 | 64 | 29 | 12 |
| January 2012 | 83 | 95 | 23 |
| December 2011 | 0 | 127 | 26 |
| November 2011 | 23 | 271 | 52 |
| October 2011 | 76 | 72 | 49 |
| September 2011 | 56 | 64 | 26 |
| August 2011 | 72 | 52 | 25 |
| July 2011 | 76 | 78 | 51 |
| June 2011 | 42 | 114 | 61 |
| May 2011 | 114 | 269 | 139 |
| April 2011 | 1044 | 599 | 299 |








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