- Per Capita Income on Gross District Domestic Product at Current/Constant 1999-2000 Prices in Kollam District of Kerala (2002-2003)
- Per Capita Income on Gross District Domestic Product at Current/Constant 1999-2000 Prices in Kollam District of Kerala (2001-2002)
- Per Capita Income on Gross District Domestic Product at Current/Constant 1999-2000 Prices in Kollam District of Kerala (2000-2001)