I may be insensitive but I think some countries are almost the same. For example, Togo and Benin. Vising one is enough.
My list of countries that I want to see starts to levels off at about 75 because of the expense and certainly by 125. I have no interest in seeing Kyrgyzstan but Tajikistan seems a bit more interesting. Also Timor Leste more than PDRK (North Korea).