Much of this can be explained with domestic politics. Sweden has 8 parties in parlament, each with it's own foreign policy agenda. Over the course of 20 years,

Much of this can be explained with domestic politics. Sweden has 8 parties in parlament, each with it's own foreign policy agenda. Over the course of 20 years, one party after the other have changed it's position and now there are at least 4 parties in favour. But note that foreign policy is defined by the government, and the government parties are still opposed.