Note that 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.
| Microsoft Windows Vista |
| 3 months to
21 May 2012 | Same period 2011 | Same period 2010 |
| Rank | 311 | 256 | 258 |
| Rank change year-on-year |
 -55 |  +2 |
|
| Matching contract IT job ads | 302 | 417 | 322 |
| As % of all contract IT jobs located in the UK | 0.517 % | 0.693 % | 0.583 % |
| As % of the Operating Systems category | 2.541 % | 3.333 % | 3.218 % |
| Number of daily rates quoted | 80 | 117 | 89 |
| Average daily rate | £245 | £260 | £224 |
| Average daily rate % change year-on-year | |
| 90% of contracts offered a daily rate of more than | £105 | £100 | £100 |
| 10% of contracts offered a daily rate of more than | £378 | £410 | £350 |
| UK excluding London average daily rate | £203 | £250 | £200 |
| % change year-on-year | |
| Number of hourly rates quoted | 99 | 152 | 119 |
| Average hourly rate | £14.00 | £14.00 | £14.13 |
| Average hourly rate % change year-on-year | |
| 90% of contracts offered a hourly rate of more than | £10.00 | £11.00 | £10.00 |
| 10% of contracts offered a hourly rate of more than | £20.00 | £22.00 | £25.25 |
| UK excluding London average hourly rate | £12.53 | £12.50 | £14.00 |
| % change year-on-year | |
|
|
Contract IT job ads with a match in the
Operating Systems category | 11887 | 12510 | 10005 |
| As % of all contract IT jobs located in the UK | 20.34 % | 20.80 % | 18.13 % |
| Number of daily rates quoted | 5933 | 6113 | 4469 |
| Average daily rate | £350 | £375 | £375 |
| Average daily rate % change year-on-year | |
| 90% of contracts offered a daily rate of more than | £200 | £215 | £200 |
| 10% of contracts offered a daily rate of more than | £500 | £550 | £550 |
| UK excluding London average daily rate | £325 | £325 | £300 |
| % change year-on-year | |
| Number of hourly rates quoted | 1185 | 1236 | 1035 |
| Average hourly rate | £17.50 | £17.00 | £16.00 |
| Average hourly rate % change year-on-year | |
| 90% of contracts offered a hourly rate of more than | £11.21 | £11.00 | £10.50 |
| 10% of contracts offered a hourly rate of more than | £40.00 | £37.50 | £37.50 |
| UK excluding London average hourly rate | £17.00 | £16.50 | £15.50 |
| % change year-on-year | |
