Minorities include Bulgarians, Russians and Ukrainians, with all of them being equally strong.
Customers included Russians as well as natives.
Nobody knows for sure how many civilians, who include ethnic Russians, still live in the city.
The most numerous ethnic groups, according to the 2002 Census, include Russians at 94.1% and the Chuvash people at 2.6%.
Soviet collaborators included numerous Russians and members of other ethnic groups.
As well as Germans, these included Russians, Czechs and Hungarians.
The most numerous ethnic groups, according to the 2002 Census, include Russians at 94.7% and Tatars at 3%.
Other groups include Russians (16.3%), and a host of smaller groups, each accounting for less than 0.5% of the total population.
But the trend has moved well beyond Spanish-speaking Americans to include Indians, Chinese, Russians and other ethnicities.
They include middle-aged Russians and residents of big cities.