Koponen, Matti2021-11-112021-11-112001http://hdl.handle.net/2003/4055710.17877/DE290R-22426enhttps://creativecommons.org/licenses/by-nc/4.0796Yearly Statisticsreporthttp://hdl.handle.net/2003/25362http://hdl.handle.net/2003/25404