An official website of the United States government
Historic tables on the percent distribution on the length of time from authorization (permit) to start, and from start to completion.
2023 Percent Distribution Files
2022 Percent Distribution Files
2021 Percent Distribution Files
2020 Percent Distribution Files
2019 Percent Distribution Files
2018 Percent Distribution Files
2017 Percent Distribution Files
2016 Percent Distribution Files
2015 Percent Distribution Files
2014 Percent Distribution Files
2013 Percent Distribution Files
2012 Percent Distribution Files
2011 Percent Distribution Files
2010 Percent Distribution Files
2009 Percent Distribution Files
2008 Percent Distribution Files
2007 Percent Distribution Files
2006 Percent Distribution Files
2005 Percent Distribution Files
2004 Percent Distribution Files
2003 Percent Distribution Files
2002 Percent Distribution Files
2001 Percent Distribution Files
2000 Percent Distribution Files
1999 Percent Distribution Files