I have this set of data,
I only want to keep companies with consecutives year from 2007 to 2016 and 2007 to 2017, what command should I use?
Thank you
| Company | Years | ||
| A | 2007 | ||
| A | 2008 | ||
| A | 2009 | ||
| A | 2010 | ||
| A | 2011 | ||
| A | 2012 | ||
| A | 2013 | ||
| A | 2014 | ||
| A | 2015 | ||
| A | 2016 | ||
| A | 2017 | ||
| B | 2008 | ||
| B | 2009 | ||
| B | 2010 | ||
| B | 2011 | ||
| B | 2012 | ||
| B | 2013 | ||
| B | 2014 | ||
| B | 2015 |
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