Original sentence: Due to isolation, Faroese and Icelandic are no longer mutually intelligible with Norwegian in their spoken form, because mainland Scandinavian has diverged from them.From the 16th to the 19th centuries, Danish was the standard written language of Norway.Norwegians are educated in both Bokmål and Nynorsk, but around 86–90% use Bokmål as their daily written language, and 10–12% use Nynorsk, although most spoken dialects resemble Nynorsk more closely than Bokmål.Together with these two languages as well as Faroese and Icelandic, Norwegian belongs to the North Germanic languages (also called Scandinavian languages)
Edited sentence: Among the Norwegian counties, Nynorsk is significantly in use in no more than four (out of 19), namely the Western counties of Rogaland (26%), Hordaland (42%), Sogn og Fjordane (97%) and Møre og Romsdal (54%).As stated above, the wast majority use Bokmål, a figure that steadily increases.In order to favour Nynorsk, all pupils are educated in both Bokmål and Nynorsk, which in term provokes disapproval from many Bokmål users.Since then, Faroese and Icelandic are no longer mutually intelligible with Norwegian in their spoken form, because mainland Scandinavian has diverged from them.The Norwegian language has evolved significantly since the Viking Age, at that time being a West Scandinavian language, together with Faroese and Icelandic, in modern time becoming an East Scandinavian language, as are Swedish and Danish.The average for Norway as a total being less than 14%.The figures given are the percentage of pupils in the primary school that have Nynorsk as they primary form of Norwegian in 2005/06.The reason for this change is the Union with Denmark, which during the 16th to the 19th centuries, Danish was the standard written language of Norway.Today, thew vast majority of Norwegians, around 86–90%, use Bokmål as their daily written language and 10–12% use Nynorsk, although many spoken dialects resemble Nynorsk more closely than Bokmål.Together with these two languages as well as Faroese and Icelandic, Norwegian belongs to the North Germanic languages (also called Scandinavian languages), which all were more or less mutually intelligible in the Viking Age