Research Article
Route Anomaly Detection Using a Linear Route Representation
Table 1
Worldwide PC, cellphone, and tablet PC sales.
| | Year | Number of units shipped (million) | | Mobile phones | PCs and servers | Smart phones | PDAs (without phone capability) | Tablet PCs |
| | 2002 | 432 | 148 | — | 12.1 | — | | 2003 | 520 | 169 | — | 11.5 | — | | 2004 | 713 | 189 | — | 12.5 | — | | 2005 | 813 | 209 | — | 14.9 | — | | 2006 | 991 | 239 | 64 | 17.7 | — | | 2007 | 1153 | 271 | 122 | — | — | | 2008 | 1220 | 302 | 139 | — | — | | 2009 | 1221 | 306 | 166 | — | 1 | | 2010 | 1609 | 346 | 286 | — | 17 | | 2011 | 1775 | 353 | 486 | — | 73 |
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