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| Company | Unit | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 |
| Ashok Leyland | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 1,559,477 | 1,476,953 | 1,512,018 | 1,616,401 | |||
| Tata Motors | 2,040,436 | 2,352,400 | 2,308,137 | 2,275,307 | 2,291,960 |
Helgi Library 
