How many commands does Git have? [closed]

Question

How many commands does Git have ? In particular :

• How many high level commands ?
• How many total commands, including the very low level commands such as git-read-tree` ?

Optional : How many average flags by command ?

Answer 1

git help -a

would list all the commands, but without distinction between porcelain and plumbing commands.
That would be 152 for a git 1.7.11.3