/usr/share/aide/config/aide/aide.conf.d/10_aide_year is in aide-common 0.16~a2.git20130520-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 | #!/bin/sh
echo "@@define YEAR4D $(date +%Y)"
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