Webmaster, some amendments:
In the end the 1998-beginning of 1999 Russia has put Ethiopia 8 Su-27 (6 Su-27SK + 2 Su-27UB). In 2003-2004 Russia has put 7 more Su-27 (5 Su-27SK + 2 Su-27UB), and Ukraine 3 Su-27 (most likely, Su-27P). Thus, into structure of Air Forces of Ethiopia enter 18 Su-27 (are divided on two squadrons; in 1-st - 8 Su-27, in 2-nd - 10 (5 Su-27SK, 3 Su-27P and 2 Su-27UB).
As to Belarus for us is available 22 Su-27 (one was wrecked in the spring of 1996; lieutenant colonel Vladimir Korvat) was lost.
To Venezuela it is already put 12 Su-30MK2. The others will be put till July, 1st, 2008.
In Aktubinsk centre preparation pass some the Algerian pilots as 2 or 4 Su-30MKA are already constructed.
For Vietnam are available not 7, but 6 Su-27SK (one was wrecked).