Version 8.03 starts using $2017 Dollars, Poverty thresholds: 2.15, 3.65 and 6.85 (August 2023)
Version 7.17 starts using $2011 Dollars, Poverty thresholds: 1.10, 1.90 and 3.10 (November 2015), later we added also 3.2 and 5.50
Version 6.36 starts using $2005 Dollars, Poverty thresholds: 1.25 and 2.00 (August 2010)