There are around 400,000 immigrant detainees per year, and 50% are housed in private facilities. In 2011, CCA's net worth was $1.4 billion and net income was $162 million. In this same year, The GEO Group had a net worth of $1.2 billion and net income of $78 million. As of 2012, CCA has over 75,000 inmates within 60 facilities and the GEO Group owns over 114 facilities. Over half of the prison industry's yearly revenue comes from immigrant detention centers. For some small communities in the Southwestern United States, these facilities serve as an integral part of the economy. According to Chris Kirkham, this constitutes part of a growing immigration industrial complex: "Companies dependent upon continued growth in the numbers of undocumented immigrants detained have exerted themselves in the nation's capital and in small, rural communities to create incentives that reinforce that growth." A study by the ACLU says that many are housed in inhumane conditions as many facilities operated by private companies are exempt from government oversight, and studies are made difficult as such facilities may not be covered by a Freedom of Information Act.