| UNIX |
| 3 months to
18 Mar 2010 | Same period 2009 | Same period 2008 |
| Rank | 16 | 19 | 16 |
| Rank change year-on-year |
 +3 |  -3 |
|
| Matching contract IT job ads | 3393 | 2360 | 5772 |
| As % of all contract IT jobs located in England | 7.623 % | 6.438 % | 7.521 % |
| As % of the Operating Systems category | 42.39 % | 35.94 % | 38.23 % |
| Daily rates quoted | 1741 | 807 | 2053 |
| Average daily rate | £438 | £400 | £425 |
| Average daily rate % change year-on-year | |
| 90% of contracts offered a daily rate of more than | £288 | £250 | £275 |
| 10% of contracts offered a daily rate of more than | £600 | £526 | £600 |
| UK excluding London average daily rate | £335 | £325 | £350 |
| % change year-on-year | |
| Hourly rates quoted | 131 | 107 | 366 |
| Average hourly rate | £29.25 | £30.44 | £30.00 |
| Average hourly rate % change year-on-year | |
| 90% of contracts offered a hourly rate of more than | £12.30 | £15.03 | £16.50 |
| 10% of contracts offered a hourly rate of more than | £47.40 | £46.00 | £40.90 |
| UK excluding London average hourly rate | £30.00 | £29.11 | £30.69 |
| % change year-on-year | |
|
|
Contract IT job ads with a match in the
Operating Systems category | 8004 | 6567 | 15098 |
| As % of all contract IT jobs located in England | 17.98 % | 17.91 % | 19.67 % |
| Daily rates quoted | 3507 | 1989 | 4017 |
| Average daily rate | £375 | £332 | £378 |
| Average daily rate % change year-on-year | |
| 90% of contracts offered a daily rate of more than | £225 | £183 | £200 |
| 10% of contracts offered a daily rate of more than | £550 | £500 | £550 |
| UK excluding London average daily rate | £313 | £308 | £335 |
| % change year-on-year | |
| Hourly rates quoted | 911 | 923 | 2543 |
| Average hourly rate | £16.00 | £18.50 | £18.50 |
| Average hourly rate % change year-on-year | |
| 90% of contracts offered a hourly rate of more than | £10.00 | £11.00 | £11.00 |
| 10% of contracts offered a hourly rate of more than | £36.00 | £37.10 | £37.50 |
| 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 UNIX across the England region as a proportion of the total demand within the Operating Systems category.
