Oh @Quincy to be honest I've not counted them.
When I hosted English language school students I mainly had shorter term ones and lost count of how many came to stay.
Let's just say it's not a small box they at tucked in!
Reading their letters & notes always makes me smile.
Ditto that of my ABB guests.
One of my most touching ABB guests was one who lost use of her vocal chords through a permanent injury.
We mainly communicated via hand writing & use of hands.
Every now & then I reread through their writings.
I've great empathy for pple who have sensory challenges whether it be visual, hearing, memory, speaking, smell loss or physical.
It's an area of life I've always been aware of which increased when working as a promotions consultant as one is confronted with the challenges those pple live with daily.
One reasonably expects others also to have similar values regardless of one's chosen field.