How to do webscrapping in R on this webpage?
This should be possible with  rvest in R. Two things make is possible 


URL pattern is predictable, https://www.ecb.europa.eu/press/pressconf/2012/html/index.en.html    (replace 2012 with other year values)
Html page applies predictable CSS for INTRODUCTORYSTATEMENT_CONTENT (E.g.: doc-title and doc-subtitle )




Following articles have examples : 

https://towardsdatascience.com/web-scraping-tutorial-in-r-5e71fd107f32
https://www.datacamp.com/community/tutorials/r-web-scraping-rvest
https://www.analyticsvidhya.com/blog/2017/03/beginners-guide-on-web-scraping-in-r-using-rvest-with-hands-on-knowledge/