get_cdi_rate            Get CDI Rate (Interbank Deposit Certificate)
get_exchange_rate       Get US Dollar Exchange Rate (Commercial)
get_gdp_growth          Get GDP Growth Rate
get_inflation_rate      Get IPCA Inflation Data
get_selic_rate          Get Annual Brazilian SELIC Rate (Annualized,
                        Base 252)
get_unemployment        Get Brazilian Quarterly Unemployment Rate
plot_cdi_rate           Plot Brazilian CDI rate
plot_exchange_rate      Plot Brazilian exchange rate (USD/BRL)
plot_inflation_rate     Plot Brazilian Inflation Rate (IPCA)
plot_selic_rate         Plot Brazilian SELIC rate (annualized, base
                        252)
plot_series_comparison
                        Compare multiple financial/time series indices
plot_unemployment       Plot Brazil's quarterly unemployment rate
