Les Misérables - Too Much Singing!

So I recently saw Les Misérables.  It was the first time I ever saw it in movie form or otherwise.  My immediate reaction after watching it was, "All they did was sing, there was no talking."  I'm used to musicals where it's half acting and half singing, and things just seemed out of whack in Les Misérables.

I wasn't sure if I was just imagining this, so I looked up the number of musical numbers in the following musicals. The musicals I selected are pretty much at random, whatever came to mind. I didn't bother to differentiate between orchestra only or singing numbers, b/c I haven't seen all of these.  I just counted the number of different items listed on Wikipedia.

Musical	Number of Musical Numbers
Les Misérables	50
Wicked	21
The Sound of Music	26
Phantom of the Opera	39
My Fair Lady	24
Cats	27
Chicago	21
The Book of Mormon	22
Grease	21
West Side Story	27
American Idiot	30

So I guess I wasn't imagining things, there are just way more musical numbers than the average musical.