Stephen Joseph Harper is a Canadian economist and politician who served as the 22nd prime minister of Canada for nearly a decade, from February 6, 2006, to November 4, 2015. Harper has served as the chairman of the International Democrat Union since February 2018.— 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.