Despite unprecedented international sanctions against Russia, payments for energy and raw materials were largely spared from these measures, as were food supplies because of the potential impact on world food prices. Russia and Ukraine are major producers of wheat that is exported through the Bosporus to Mediterranean and North African countries.[21][22] The expulsion of some Russian banks from SWIFT is expected to affect the country's exports.[23] Due to the fact that Russia is the largest trading and economic partner for post-Soviet states in Central Asia and a major destination for millions of CIS's migrant workers,[24] Central Asia has been particularly hard hit by sanctions against Russia.[25][26]