Next month, there will be more women CEOs of Fortune 500 companies than ever before, according to Fortune.

The grand total will come to 33. That's up from the prior record of 32 in 2017 and up from 24 last year.

That's the good news.

But let's put some perspective on the record high: Women still represent just 6.6% of all Fortune 500 CEOs.

The latest jump is due to a few factors, Fortune noted.