| Linux |
| 3 months to
19 Mar 2010 | Same period 2009 | Same period 2008 |
| Rank | 29 | 35 | 32 |
| Rank change year-on-year |
 +6 |  -3 |
|
| Matching contract IT job ads | 467 | 173 | 351 |
| As % of all contract IT jobs located in the City of London | 5.445 % | 4.278 % | 4.356 % |
| As % of the Operating Systems category | 30.99 % | 22.15 % | 18.42 % |
| Daily rates quoted | 274 | 87 | 171 |
| Average daily rate | £475 | £425 | £475 |
| Average daily rate % change year-on-year | |
| 90% of contracts offered a daily rate of more than | £310 | £275 | £325 |
| 10% of contracts offered a daily rate of more than | £575 | £575 | £600 |
| UK excluding London average daily rate | £313 | £305 | £362 |
| % change year-on-year | |
| Hourly rates quoted | 5 | 3 | 5 |
| Average hourly rate | £28.00 | £23.00 | £18.00 |
| Average hourly rate % change year-on-year | |
| 90% of contracts offered a hourly rate of more than | £21.30 | £22.60 | £13.20 |
| 10% of contracts offered a hourly rate of more than | £33.00 | £24.60 | £33.50 |
| UK excluding London average hourly rate | £30.00 | £32.50 | £35.00 |
| % change year-on-year | |
|
|
Contract IT job ads with a match in the
Operating Systems category | 1507 | 781 | 1906 |
| As % of all contract IT jobs located in the City of London | 17.57 % | 19.31 % | 23.66 % |
| Daily rates quoted | 839 | 387 | 849 |
| Average daily rate | £450 | £400 | £450 |
| Average daily rate % change year-on-year | |
| 90% of contracts offered a daily rate of more than | £275 | £221 | £238 |
| 10% of contracts offered a daily rate of more than | £575 | £525 | £600 |
| UK excluding London average daily rate | £313 | £310 | £335 |
| % change year-on-year | |
| Hourly rates quoted | 69 | 47 | 139 |
| Average hourly rate | £21.00 | £18.50 | £20.25 |
| Average hourly rate % change year-on-year | |
| 90% of contracts offered a hourly rate of more than | £13.50 | £14.00 | £14.00 |
| 10% of contracts offered a hourly rate of more than | £37.50 | £27.50 | £33.00 |
| UK excluding London average hourly rate | £15.00 | £17.50 | £18.00 |
| % change year-on-year | |
|
Daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.
The chart provides a 3-month moving total beginning in 2004 of IT contractor jobs citing Linux across the City of London region as a proportion of the total demand within the Operating Systems category.
