Hypoxia and Medicine - What percentage of babies are born with the umbilical cord around the neck causing hypoxia?

What percentage of babies are born with the umbilical cord around the neck causing hypoxia?

And needing artificial respiration

I don't know about the real %, but usually out of my friends and family, I would say 1 out of 10. My second son had that problem. So for me it was 1 out of 4 total, but he was my second pregnancy. And he did go to the NICU for 24 hours.
Wow, I really don't know this one, but actually, I was born in such a way. My dad tells the story every year on my birthday (it's getting old after 26 years). I was born with the cord around my neck, and it caused long term breathing problems. My parents didn't even get to hold me, I was slapped straight onto a bag and they had to intubate me for awhile til I could breathe on my own.
I'm not sure about the percentage that need artificial respiration, but I recall reading somewhere that something like 25% of babies are born with the cord around their neck.
Both my children were born with the cord wrapped tightly around the neck, my daughter was not breathing however my son was unaffected.
many babies are born that way but apparently it is almost never a problem, it's a natural phenomenon that usually has no complications.