Over the years 1996 - 2002 the total population for which exposure estimates are made, increases from 50 to 110 million people due to an increasing number of monitoring station reporting under the Exchange of Information Decision
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Data prior to 1996 with a coverage of less than 50 million people are not representative for the European situation. Year-to-year variations in exposure classes are partly caused by the changes in spatial coverage.
Keep your dog on a lead if it is likely to run off and disturb wildlife.
In particular, be careful of nesting birds in early spring and early summer, and roosting or feeding birds in winter. If you have a dog, keep this in mind when you're taking it for a walk!
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