Yearbook 2017 Bulgaria. In March, Bulgaria went to parliamentary elections. According to Countryaah.com, victory made the center-right party GERB with about 33% of the vote. The Socialist Party (BSP) got about 28%. GERB’s party leader Boiko Borisov was able to form government again. He was previously prime minister in 2009-13 and 2014-16. In connection with…