Mac OS X: What is the best way to estimate the code & static data size of program?

$ size python
__TEXT  __DATA  __OBJC  others  dec     hex
860160  159744  0       2453504 3473408 350000

otool -s MyApp.bundle/Contents/MacOS/MyApp __DATA __data
otool -s MyApp.bundle/Contents/MacOS/MyApp __TEXT __text