There are 73 deaths throughout the whole series.
There are 40 total episodes, including the Special.
The anime having no voice actors due to them not having the budget may have helped the anime being popular outside of Japan.
According to one of the animators, Shohei Murai, the show only had a budget of ¥100,000 per episode.
The frog is the only character in the show who had any line of dialogue