Passing normalize returns nothing but zeros

Kn the following portion of this project, I cannot return a percentage distribution when I use value_counts. I can return the totals per date, but not the proportions as the project demands. Why might this be?

Screen Link: https://app.dataquest.io/m/294/guided-project%3A-exploring-ebay-car-sales-data/5/exploring-the-date-columns

My Code:

trimmed_date_crawled.value_counts(normalize=True, dropna=False)

What I expected to happen:

percentages in place of simple counts
What actually happened:

All outputs were zero

I checked to make sure that there actually is data there, and if I don’t pass the normalize argument, I see the actual counts, so it isn;t that these counts are null to begin with.