How old are the links that point to the site?

The table below shows when we first found a link.

The links that point to nsf.gov by age

Year of the backlink Count Share
1. 2021 281,587 15.6%
2. 2020 266,175 14.8%
3. 2019 227,491 12.6%
4. 2018 278,186 15.5%
5. 2017 356,751 19.8%
6. 2016 105,020 5.8%
7. 2015 101,256 5.6%
8. 2014 23,869 1.3%
9. 2013 27,877 1.5%
10. 2012 25,447 1.4%
11. 2011 23,426 1.3%
12. 2010 22,515 1.3%
13. 2009 17,622 1.0%
14. 2008 14,542 0.8%
15. 2007 9,662 0.5%
16. 2006 6,185 0.3%
17. 2005 4,071 0.2%
18. 2004 2,357 0.1%
19. 2003 1,433 0.1%
20. 2002 974 0.1%
21. 2001 707 0.0%
22. 2000 668 0.0%
23. 1999 354 0.0%
24. 1998 709 0.0%
25. 1997 348 0.0%
26. 1996 284 0.0%
27. 1995 78 0.0%

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