PGNiG`s Domestic Suppliers of Natural Gas (mcm) reached 127 mcm in 2012. This is 13.3 % more than in the previous year.
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| Company | Unit | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 |
| PGNiG | mcm | 15.8 | 22.1 | 58.1 | 96.1 |
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