The 1990s were peak dinosaur

I have been playing with the Google n-gram viewer to look at when dinosaurs were appearing most often in books.

https://books.google.com/ngrams/graph?content=dinosaur&year_start=1860&year_end=2008&corpus=15&smoothing=3&share=&direct_url=t1%3B%2Cdinosaur%3B%2Cc0

It looks like the late 1990s, in the wake of Jurassic Park was the top time to encounter dinosaurs in print.

But which dinosaurs? Here’s a selection:

Link

The volume for brontosaurus surprises me and makes me wonder if that peak is Jurassic Park related.

I had to leave iguanodon off the search terms because the way the n-gram tabulates figures, the Fonz of the dinosaurs just dominates the 19th century:

Link

These days the venerable iguanodon is level with the feathery newcomer velociraptor.