www.stat.fi/til/pat/2006/pat_2006_2007-10-25_kuv_009_en.html
... 9. Triadic patent families per one million population in 1995 and 2005 Source: Patenting 2006. Statistics Finland Inquiries: Markku Virtaharju (09) 1734 3290 Director in charge: ...
10/25/2007