| Microsoft Windows Vista |
| 3 months to
19 Mar 2010 | Same period 2009 | Same period 2008 |
| Rank | 190 | 133 | 157 |
| Rank change year-on-year |
 -57 |  +24 |
|
| Matching contract IT job ads | 27 | 17 | 50 |
| As % of all contract IT jobs located in the City of London | 0.315 % | 0.420 % | 0.621 % |
| As % of the Operating Systems category | 1.792 % | 2.177 % | 2.623 % |
| Daily rates quoted | 5 | 9 | 11 |
| Average daily rate | £200 | £375 | £315 |
| Average daily rate % change year-on-year | |
| 90% of contracts offered a daily rate of more than | £135 | £187 | £210 |
| 10% of contracts offered a daily rate of more than | £255 | £425 | £400 |
| UK excluding London average daily rate | £233 | £305 | £283 |
| % change year-on-year | |
| Hourly rates quoted | 5 | 2 | 7 |
| Average hourly rate | £19.50 | £16.00 | £25.00 |
| Average hourly rate % change year-on-year | |
| UK excluding London average hourly rate | £14.50 | £17.50 | £17.50 |
| % 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 Windows Vista across the City of London region as a proportion of the total demand within the Operating Systems category.
