SELECT "GDP (PPP) per capita ( Intl. $ ) 2011" FROM table_28577 WHERE "Country" = 'Haiti'
Name the gdp per capita for haiti
CREATE TABLE table_28577 (
    "Country" text,
    "Area (km\u00b2) 2010" real,
    "Population 2011" real,
    "GDP (PPP) ( Intl. $ ) 2011" text,
    "GDP (PPP) per capita ( Intl. $ ) 2011" text,
    "Income inequality 1992-2010 (latest available)" text,
    "HDI 2012" text,
    "FSI 2012" text,
    "CPI 2012" text,
    "IEF 2013" text,
    "GPI 2012" text,
    "WPFI 2013" text,
    "DI 2012" text
)