I feel like the premise of this data is pretty flawed. This is measuring any company with foreign shareholders. Lots of people and trust funds invest in US stocks for it's stability. It's only natural Canada would be at the top of the list given how intertwined it's economy is with that of the US.

Farmland ownership…? How is that in any way useful?

Do it with residential properties. That’s where people park their money. And I’m sure its literally orders of magnitude higher than this.