Facts and Stats
(plus a Rumor or two)

Facts

In 1999 there were two EOs brought into the U.S. as 1999 models.
The 500,000th Miata off the assembly line was an EO.

Stats

Number of 1999 U.S. EOs - 2     Number of 2000 U.S. EOs - 644   (Source Mazda USA)
With the exception of a few one-of-a-kinds, that makes the Evolution Orange the rarest of all Miatas. Much rarer than any of the Special, Limited or M-Editions. 
Number of 1999 EOs Worldwide - ????     Number of 2000 EOs Worldwide - ????
In Canada - their have been 143 EO Miatas sold. (Source - Normand Leclaire)

 

Rumors 

Worldwide, only 72 EOs were produced with automatic transmissions.
 
To the Registry List here - EO Registry List
Also - Click here to download a great Windows Desktop for EO Owners.