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 | |
|---|---|---|---|
| May 2013 | 23 | 363 | 30 |
| April 2013 | 6 | 535 | 59 |
| March 2013 | 1 | 441 | 30 |
| February 2013 | 0 | 336 | 57 |
| January 2013 | 1 | 602 | 22 |
| December 2012 | 0 | 478 | 26 |
| November 2012 | 1 | 1124 | 97 |
| October 2012 | 0 | 837 | 47 |
| September 2012 | 64 | 385 | 58 |
| August 2012 | 161 | 332 | 43 |
| July 2012 | 153 | 296 | 33 |
| June 2012 | 194 | 777 | 63 |
| May 2012 | 84 | 3404 | 48 |
| April 2012 | 2 | 900 | 70 |
| March 2012 | 0 | 584 | 62 |
| February 2012 | 0 | 549 | 79 |
| January 2012 | 0 | 422 | 34 |
| December 2011 | 0 | 668 | 47 |
| November 2011 | 119 | 486 | 116 |
| October 2011 | 453 | 324 | 246 |
| September 2011 | 360 | 253 | 124 |
| August 2011 | 401 | 163 | 123 |
| July 2011 | 405 | 124 | 101 |
| June 2011 | 267 | 153 | 111 |
| May 2011 | 368 | 307 | 132 |
| April 2011 | 506 | 422 | 179 |
| March 2011 | 1081 | 472 | 203 |
| February 2011 | 1017 | 309 | 133 |
| January 2011 | 1043 | 358 | 109 |
| December 2010 | 1240 | 353 | 104 |
| November 2010 | 1561 | 442 | 239 |
| October 2010 | 1027 | 426 | 150 |
| September 2010 | 1254 | 240 | 76 |
| August 2010 | 660 | 213 | 62 |
| July 2010 | 375 | 267 | 95 |
| June 2010 | 244 | 272 | 110 |
| May 2010 | 329 | 543 | 180 |
| April 2010 | 506 | 339 | 224 |
| March 2010 | 442 | 433 | 296 |
| February 2010 | 287 | 282 | 161 |
| January 2010 | 271 | 283 | 128 |
| December 2009 | 213 | 304 | 130 |
| November 2009 | 448 | 408 | 218 |
| October 2009 | 406 | 427 | 196 |
| September 2009 | 680 | 314 | 111 |
| August 2009 | 273 | 211 | 79 |
| July 2009 | 532 | 259 | 73 |
| June 2009 | 697 | 498 | 153 |
| May 2009 | 1289 | 700 | 386 |
| April 2009 | 4588 | 2623 | 2072 |








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