Try contacting one of the agencies on this page on shipping items to Bolivia on our Bolivia website (BoliviaBella.com)
They are specialists in shipping and can tell you what will occur throughout the trip and once your belongings arrive.
Import taxes, even on personal belongings, are usually calculated for each and every single item in the container. So you need to be sure you have a very detailed packing list and don't put anything n the container that is not on your list. And get a bill of lading from the shipper you choose. You might also consider insurance on your belongings.
You'll find everything you on need to know about setting up a home in Bolivia on our Live in Bolivia page.