Source: https://chrisdallariva.substack.com/p/when-the-fck-did-we-start-singing
I think the graph runs from 1950 to 2025, with gridlines every 25 years. The upward trend looks to be around 3/5ths of the way between 1975 and 2000, which would be around 1990.
Be respectful
I think the graph runs from 1950 to 2025, with gridlines every 25 years. The upward trend looks to be around 3/5ths of the way between 1975 and 2000, which would be around 1990.