Sigmar Hartmut Gabriel is a German politician who was Minister for Foreign Affairs from 2017 to 2018 and Vice-Chancellor of Germany from 2013 to 2018. He was Leader of the Social Democratic Party of Germany (SPD) from 2009 to 2017, which made him the party's longest-serving leader since Willy Brandt— Wikipedia
The time period for further statistics is the same as in the graph above. Retweets are included. For the word cloud, the most common words in a language and numbers were eliminated, and words were converted to lowercase.