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Distribution of evaluation objects by years.
| Year | Classification of evaluation targets in usability evaluation study | Total (literature quantity) |
|||
|---|---|---|---|---|---|
| Web application | Mobile technology | Computer applications | Computer hardware | ||
| 1996 | 0 | 0 | 1 | 0 | 1 |
|
| |||||
| 2002 | 0 | 0 | 2 | 0 | 2 |
| 2003 | 2 | 0 | 1 | 0 | 3 |
| 2004 | 3 | 0 | 2 | 2 | 7 |
| 2005 | 4 | 3 | 1 | 2 | 10 |
| 2006 | 15 | 3 | 0 | 0 | 18 |
| 2007 | 19 | 3 | 4 | 3 | 29 |
| 2008 | 23 | 6 | 2 | 1 | 32 |
| 2009 | 14 | 4 | 4 | 0 | 22 |
| 2010 | 23 | 3 | 6 | 1 | 33 |
| 2011 | 21 | 5 | 3 | 1 | 30 |
| 2012 | 14 | 4 | 4 | 1 | 23 |
|
| |||||
| Total (literature quantity) | 138 | 31 | 30 | 11 | 210 |
