Some more details about Brazil - all imports were banned at the time to deal with the external debt crises. What was special about micro and mini computers was that foreign companies were forbidden from making them locally and selling them (like the did with cars, electronic goods and many other products). So clones dominated the market completely.

The Sinclair and TRS-80 clones arrived in 1981, the Apple II in 1982 and the PC XT in 1983 (at the absurd cost of US$15K for a configuration that would be US$5K in the US. This dropped to around US$3K by late 1984 for a configuration of similar price as the US, so not the "many times more expensive" that most people remember). There were very few TRS Color Computer clones, a single Sinclair Spectrum and the single Macintosh clone was not never authorized (every computer launch had to be approved by the government). The two MSX officially arrived in 1985 but sales actually started in 1986. The PC AT clones only started selling in 1987 and 386 machines in 1989 - these were the longest delays of all. An even longer delay was in PC graphics, which were stuck at CGA from 1983 all the way to 1992 (with imports allowed there was a jump to VGA+Multisync).

With the exception of the Spectrum and Mac clones by companies that had invested heavily in their predecessors, nobody tried to copy machines with custom chips, so no Ataris, Commodore 64s, Amigas, etc. The Commodore Pet would have been easy to clone, but there was no preexisting market of contraband machines due to the awkwardness of lugging the built-in monitor.

After the reserved policy ended in 1991 a company called PCI do Amazonas brought the Amiga to Brazil and was officially still making the A1200 months after Commodore itself had shut down. So we did get one of the three 68000 machines, even if very late.