Sorry!. No ADRs from Bolivia currently trade on the US Exchanges or the OTC markets as of July, 2016 !
Bolivia Dividend Withholding Tax Rates for US investors as of Jan,2016:
1.Dividend Withholding Tax for Regular Accounts: 25.0%
2.Dividend Withholding Tax for Retirement Accounts (401K, Roth IRA, Traditional IRA, etc.): 25.0%
Ice flats in Salar de Uyuni, Bolivia