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The first part of the table below looks at the demand for Perl skills in IT jobs advertised for the Hertfordshire region. Included is a guide to the average salaries offered in IT jobs that have cited Perl over the 3 months to 19 March 2010 with a comparison to the same period in the previous 2 years. The second part of the table is for comparison and provides aggregates for all of the Programming Languages category for the Hertfordshire region.
| Perl |
| 3 months to
19 Mar 2010 | Same period 2009 | Same period 2008 |
| Rank | 85 | 74 | 113 |
| Rank change year-on-year |
 -11 |  +39 |
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| Matching permanent IT job ads | 23 | 42 | 55 |
| As % of all permanent IT jobs located in Hertfordshire | 1.211 % | 1.988 % | 1.221 % |
| As % of the Programming Languages category | 2.725 % | 4.626 % | 3.030 % |
| Salaries quoted | 21 | 37 | 50 |
| Average salary | £47,500 | £40,000 | £37,000 |
| Average salary % change year-on-year | |
| 90% of jobs offered a salary of more than | £32,500 | £35,300 | £27,500 |
| 10% of jobs offered a salary of more than | £62,500 | £50,000 | £50,250 |
| UK excluding London average salary | £35,000 | £35,800 | £35,000 |
| % change year-on-year | |
|
|
Permanent IT job ads with a match in the
Programming Languages category | 844 | 908 | 1815 |
| As % of all permanent IT jobs located in Hertfordshire | 44.44 % | 42.97 % | 40.30 % |
| Salaries quoted | 715 | 771 | 1506 |
| Average salary | £40,000 | £37,500 | £37,500 |
| Average salary % change year-on-year | |
| 90% of jobs offered a salary of more than | £29,000 | £27,500 | £25,000 |
| 10% of jobs offered a salary of more than | £55,000 | £50,000 | £51,800 |
| UK excluding London average salary | £35,000 | £35,000 | £34,500 |
| % change year-on-year | |
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Perl
Demand TrendThe chart provides a 3-month moving total beginning in 2004 of permanent IT jobs citing Perl across the Hertfordshire region as a proportion of the total demand within the Programming Languages category.
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