OK, fine. Squint really hard and look at the top-right of the dendrogram. You'll see at the very top fork, that a branch goes down the right side. How many nodes are in this branch? (e.g. how many data points end up in this branch). Note that an immediate branch to a small subset of the data indicates strong outliers.
If you're working in a Python IDE, you can zoom into the upper-right corner to see the fork. You can then trace it to see how many nodes are in that branch.
If you're working in Jupyter Notebook, you can use %matplotlib notebook to zoom into the dendrogram.