Download and parse World Prison Brief time series data
wpb_series(country = NULL)
Country name, in the url-style used by the World Prison Brief. See note below.
Important: the country names must be the url names associated with the country. These can be seen in the second column of the dataframe returned from
wpb_list(). Most of these are simply lower-case versions of the country name, such as 'algeria'. Some, such as "American Samoa (USA)" are in the following format: