A study of computer theft in the USA has revealed that 5.5 million computers were stolen over the last 3 years, comparable with statisticaly proportional figures worldwide. Over two-thirds were laptops and 77% of thefts occurred while the respondent was mobile.
Forty-four percent of all respondents report they only back-up data weekly, monthly, rarely or never, which means that millions of people lost data permanently.
Read more here:
http://www.mactech.com/2010/08/03/key-findings-8th-annual-2010-bsi-computer-theft-survey