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The information requested falls within the responsibility of the UK Statistics Authority. I have asked the authority to reply.Letter from Karen Dunnell, dated July 2009:"As National Statistician, I have been asked to reply to your recent Parliamentary Questions asking what the average earnings of people of working age was in (a) Hemel Hempstead constituency, (b) Dacorum and (c) Hertfordshire in each year since 1997 (287858) and what the rate of average earnings growth was in (a) Hemel Hempstead constituency, (b) Dacorum and (c) Hertfordshire in each year since 1997. (287859)""Average levels of earnings are estimated from the Annual Survey of Hours and Earnings (ASHE), and are provided for all employees on adult rates of pay whose pay for the survey period was not affected by absence.""ONS's primary indicator of average earnings growth is the Average Earnings Index. As this does not produce regional estimates, the ASHE has been used. The ASHE, carried out in April each year, is the most comprehensive source of earnings information in the United Kingdom. It is a sample of all employees who are members of pay-as-you-earn (PA YE) schemes.""The sample sizes for more detailed geographies can be small and this affects the quality of the resulting estimates, which are subject to a margin of uncertainty.""Estimates for people of working age would only be available at disproportionate cost, but we have provided median gross weekly earnings estimates and annual percentage changes for the specified geographies for full-time and part-time employees."<Table width="100%" summary="" cellspacing="3" cellpadding="3" border="0"><thead><tr><th>Median gross weekly pay (£) for full-time employee jobsa</th></tr></thead><TR><TD></TD><TD>Hemel Hempstead parliamentary constituency</TD><TD>Dacorum local authority</TD><TD>Hertfordshire</TD></TR><TR><TD></TD><TD>Median</TD><TD>Annual percentage change</TD><TD>Median</TD><TD>Annual percentage change</TD><TD>Median</TD><TD>Annual percentage change</TD></TR><TR><TD>1997</TD><TD>*364.0</TD><TD>n/a</TD><TD>*358.1</TD><TD>n/a</TD><TD>352.7</TD><TD>n/a</TD></TR><TR><TD>1998</TD><TD>*385.5</TD><TD>5.9</TD><TD>*377.6</TD><TD>5.4</TD><TD>374.3</TD><TD>6.1</TD></TR><TR><TD>1999</TD><TD>*384.3</TD><TD>-0.3</TD><TD>*377.8</TD><TD>0.0</TD><TD>385.8</TD><TD>3.0</TD></TR><TR><TD>2000</TD><TD>*438,7</TD><TD>14.2</TD><TD>*399.3</TD><TD>5.7</TD><TD>395.5</TD><TD>2.5</TD></TR><TR><TD>2001</TD><TD>*457.2</TD><TD>4.2</TD><TD>*448.1</TD><TD>12.2</TD><TD>429.1</TD><TD>8.5</TD></TR><TR><TD>2002</TD><TD>*475.6</TD><TD>4.0</TD><TD>*471.7</TD><TD>5.3</TD><TD>445.5</TD><TD>3.8</TD></TR><TR><TD>2003</TD><TD>*492.1</TD><TD>3.5</TD><TD>*479.9</TD><TD>1.7</TD><TD>457.9</TD><TD>2.8</TD></TR><TR><TD>2004b</TD><TD>*499.5</TD><TD>1.5</TD><TD>*479.4</TD><TD>-0.1</TD><TD>478.2</TD><TD>8.3</TD></TR><TR><TD>2004c</TD><TD>*487.4</TD><TD>n/a</TD><TD>*475.2</TD><TD>n/a</TD><TD>469.1</TD><TD>n/a</TD></TR><TR><TD>2005</TD><TD>*478.4</TD><TD>-1.8</TD><TD>*479.0</TD><TD>0.8</TD><TD>483.3</TD><TD>3.0</TD></TR><TR><TD>2006d</TD><TD>*516.3</TD><TD>7.9</TD><TD>*502.5</TD><TD>4.9</TD><TD>490.6</TD><TD>1.5</TD></TR><TR><TD>2008e</TD><TD>*512.0</TD><TD>n/a</TD><TD>*499.3</TD><TD>n/a</TD><TD>486.6</TD><TD>n/a</TD></TR><TR><TD>2007</TD><TD>*543.9</TD><TD>6.2</TD><TD>*535.6</TD><TD>7.3</TD><TD>488.7</TD><TD>0.4</TD></TR><TR><TD>2008</TD><TD>*553.9</TD><TD>1.8</TD><TD>*524.1</TD><TD>-2.1</TD><TD>514.7</TD><TD>5.3</TD></TR></Table><Table width="100%" summary="" cellspacing="3" cellpadding="3" border="0"><thead><tr><th>Median gross weekly pay (£) for part-time employee jobsa</th></tr></thead><TR><TD></TD><TD>Hemel Hempstead parliamentary constituency</TD><TD>Dacorum local authority</TD><TD>Hertfordshire</TD></TR><TR><TD></TD><TD>Median</TD><TD>Annual percentage change</TD><TD>Median</TD><TD>Annual percentage change</TD><TD>Median</TD><TD>Annual percentage change</TD></TR><TR><TD>1997</TD><TD>**101.3</TD><TD>n/a</TD><TD>**92.9</TD><TD>n/a</TD><TD>*96.9</TD><TD>n/a</TD></TR><TR><TD>1998</TD><TD>**117.8</TD><TD>16.3</TD><TD>**114.9</TD><TD>23.7</TD><TD>*107.8</TD><TD>11.2</TD></TR><TR><TD>1999</TD><TD>**125.0</TD><TD>6.1</TD><TD>**114.0</TD><TD>-0.9</TD><TD>*115.4</TD><TD>7.1</TD></TR><TR><TD>2000</TD><TD>**126.1</TD><TD>0.9</TD><TD>*126.2</TD><TD>10.7</TD><TD>117.2</TD><TD>1.6</TD></TR><TR><TD>2001</TD><TD>**123.4</TD><TD>-2.2</TD><TD>**128.8</TD><TD>2.1</TD><TD>*116.6</TD><TD>-0.6</TD></TR><TR><TD>2002</TD><TD>**135.0</TD><TD>9.4</TD><TD>*137.7</TD><TD>6.9</TD><TD>128.4</TD><TD>10.2</TD></TR><TR><TD>2003</TD><TD>**139.5</TD><TD>3.3</TD><TD>**146.0</TD><TD>6.1</TD><TD>124.3</TD><TD>-3.2</TD></TR><TR><TD>2004b</TD><TD>**148.8</TD><TD>6.7</TD><TD>**148.1</TD><TD>1.4</TD><TD>134.7</TD><TD>11.2</TD></TR><TR><TD>2004c</TD><TD>**151.7</TD><TD>n/a</TD><TD>*149.6</TD><TD>n/a</TD><TD>*133.5</TD><TD>n/a</TD></TR><TR><TD>2005</TD><TD>**129.3</TD><TD>-14.8</TD><TD>**130.8</TD><TD>-12.6</TD><TD>130.3</TD><TD>-2.4</TD></TR><TR><TD>2006d</TD><TD>**146.9</TD><TD>13.7</TD><TD>**154.3</TD><TD>18.0</TD><TD>148.3</TD><TD>13.8</TD></TR><TR><TD>2006e</TD><TD>**147.7</TD><TD>n/a</TD><TD>**154.6</TD><TD>n/a</TD><TD>148.5</TD><TD>n/a</TD></TR><TR><TD>2007</TD><TD>**160.0</TD><TD>8.3</TD><TD>155.8</TD><TD>0.8</TD><TD>145.5</TD><TD>-2.0</TD></TR><TR><TD>2008</TD><TD>**144.8</TD><TD>-9.5</TD><TD>**143.9</TD><TD>-7.7</TD><TD>143.7</TD><TD>-1.2</TD></TR><tfoot><TR><td>Notes:</td></TR><TR><td>a Employees on adult rates whose pay for the survey pay-period was not affected by absence.</td></TR><TR><td>b 2004 results excluding supplementary survey for comparison with 2003</td></TR><TR><td>c 2004 results including supplementary surveys designed to improve coverage of the survey (for more information see National Statistics website www.statistics.gov.uk).</td></TR><TR><td>d 2006 results with methodology consistent with 2005</td></TR><TR><td>e 2006 results with methodology consistent with 2007</td></TR><TR><td>Guide to quality:</td></TR><TR><td>The Coefficient of Variation (CV) indicates the quality of a figure, the smaller the CV value the higher the quality. The true value is likely to lie within +/- twice the CV - for example, for an average of 200 with a CV of 5%, we would expect the population average to be within the range 180 to 220.</td></TR><TR><td>Key</td></TR><TR><td>CV <= 5%</td></TR><TR><td>* CV >5% and <=l0%</td></TR><TR><td>** CV > 10% and <=20%</td></TR><TR><td>x CV > 20%</td></TR><TR><td>Source:</td></TR><TR><td>Annual Survey of Hours and Earnings (ASHE), Office for National Statistics. 1997 - 2008</td></TR></tfoot></Table> |