On Dvorak, you can type thousands of words on the home row (aoeuidhtns). How many words can you make out of QWERTY’s home row, “asdfghjkl;”?
60-70% of the typing is done on the home row of Dvorak.
"DVORAK" - 610 × 205 in Why You Wont Regret Switching Your Keyboard Layout From QWERTY To Dvorak