Additional data not available here can be manually downloaded from
HRI website: https://hri.fi/data/fi/dataset/vaestotietoruudukko
Years 1997-2003 and 2008-2021 are tested to work at the time of development.
Datasets from years 2015-2021 are downloaded from HSY WFS API and datasets
for other years are downloaded as zip files from HRI website. The format of
the output might be a bit different between datasets downloaded from the WFS
API and datasets downloaded from HRI website.
Additional years may be added in the future and older datasets may be removed
from the API. See package NEWS for more information.
The current datasets can be listed with get_feature_list()
or select_feature().