View History:    Monthly     Annual   
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Percent of Commercial Natural Gas Deliveries in Pennsylvania Represented by the Price (Percent)
Percent of Commercial Natural Gas Deliveries in Pennsylvania Represented by the Price (Percent)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1989 89.4 88.9 88.7 87.4 81.7 76.8 79.6 77.2 76.4 80.3 82.9 85.3
  1990 85.9 83.6 80.9 80.0 74.0 70.2 68.5 68.3 67.2 69.6 74.9 79.2
  1991 82.2 79.4 78.8 77.7 72.1 72.9 70.6 71.6 72.2 72.9 76.4 76.7
  1992 77.1 79.6 76.6 75.1 71.8 73.1 68.1 67.2 69.4 74.0 74.1 79.4
  1993 80.5 79.7 79.5 78.2 72.1 72.9 72.9 69.7 70.3 76.5 75.9 77.0
  1994 79.0 80.2 77.5 73.9 71.6 70.8 67.1 71.4 67.9 62.7 68.7 72.1
  1995 75.1 74.4 74.9 71.4 68.7 66.6 65.3 64.1 62.8 66.9 48.3 70.6
  1996 78.5 77.5 76.7 71.6 67.9 62.7 64.9 66.2 66.3 59.7 63.3 61.0
  1997 70.7 71.1 65.8 66.2 50.1 56.4 55.8 58.3 57.8 50.1 63.8 64.0
  1998 58.8 57.3 60.2 58.5 53.1 52.7 50.1 46.3 54.2 53.1 57.1 59.0
  1999 63.1 59.8 59.1 55.1 57.2 50.4 51.7 45.2 49.0 50.0 52.2 59.7
  2000 60.4 61.2 60.1 57.4 56.4 59.2 54.4 51.0 62.9 55.7 62.0 66.3
  2001 67.9 67.7 66.2 63.2 58.7 57.9 56.2 54.8 53.1 55.7 59.4 61.6
  2002 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0
  2003 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0
  2004 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0
  2005 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0
  2006 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0
  2007 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0
  2008 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0
  2009 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0
  2010 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0
  2011 54.0 52.3 49.4 50.8 43.0 40.0 38.8 37.3 41.2 42.6 45.7 47.7
  2012 46.4 45.0 43.9 39.1 35.5 31.1 32.4 31.5 32.1 36.7 42.1 43.8
  2013 44.1 44.1 41.7

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 5/31/2013
Next Release Date: 6/28/2013

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