Alexander Hagmann's course exercises on datascience in python with pandas.
https://www.udemy.com/course/python-data-science-with-pandas-master-advanced-projects/
From the dataset, the average budget for each year was calculated. It can be seen a very sharp growth from the 1980s, with the peak in the 2000s. After that, there is a brief period of decline followed by a new boom.
The growing budget since the 1980s has led to increased revenues as well.
Approximately 40% of the movies are classified as drama genre. The other most common film genres are Comedy and Thriller. This pattern has always been like this.