| Microsoft Windows NT |
| 3 months to
15 Mar 2010 | Same period 2009 | Same period 2008 |
| Rank | 201 | 131 | 187 |
| Rank change year-on-year |
 -70 |  +56 |
|
| Matching contract IT job ads | 11 | 18 | 16 |
| As % of all contract IT jobs located in the City of London | 0.132 % | 0.442 % | 0.208 % |
| As % of the Operating Systems category | 0.741 % | 2.187 % | 0.855 % |
| Daily rates quoted | 3 | 5 | 2 |
| Average daily rate | £213 | £250 | £463 |
| Average daily rate % change year-on-year | |
| 90% of contracts offered a daily rate of more than | £179 | £160 | £413 |
| 10% of contracts offered a daily rate of more than | £283 | £315 | £513 |
| UK excluding London average daily rate | £148 | £208 | £325 |
| % change year-on-year | |
| Hourly rates quoted | 3 | 0 | 4 |
| Average hourly rate | £20.50 | - | £17.25 |
| 90% of contracts offered a hourly rate of more than | £16.10 | - | £15.25 |
| 10% of contracts offered a hourly rate of more than | £22.10 | - | £21.35 |
| UK excluding London average hourly rate | £15.75 | £14.75 | £14.50 |
| % change year-on-year | |
|
|
Contract IT job ads with a match in the
Operating Systems category | 1485 | 823 | 1871 |
| As % of all contract IT jobs located in the City of London | 17.79 % | 20.22 % | 24.29 % |
| Daily rates quoted | 837 | 412 | 829 |
| Average daily rate | £450 | £400 | £450 |
| Average daily rate % change year-on-year | |
| 90% of contracts offered a daily rate of more than | £276 | £225 | £226 |
| 10% of contracts offered a daily rate of more than | £575 | £525 | £600 |
| UK excluding London average daily rate | £315 | £310 | £330 |
| % change year-on-year | |
| Hourly rates quoted | 68 | 48 | 131 |
| Average hourly rate | £21.00 | £18.50 | £20.00 |
| Average hourly rate % change year-on-year | |
| 90% of contracts offered a hourly rate of more than | £13.50 | £14.05 | £14.00 |
| 10% of contracts offered a hourly rate of more than | £37.50 | £25.00 | £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 NT across the City of London region as a proportion of the total demand within the Operating Systems category.
