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 339,786 18.3%
2. 2020 267,002 14.4%
3. 2019 228,328 12.3%
4. 2018 278,920 15.0%
5. 2017 357,669 19.3%
6. 2016 98,695 5.3%
7. 2015 97,679 5.3%
8. 2014 24,212 1.3%
9. 2013 28,724 1.5%
10. 2012 25,850 1.4%
11. 2011 24,072 1.3%
12. 2010 22,940 1.2%
13. 2009 17,716 1.0%
14. 2008 14,702 0.8%
15. 2007 9,740 0.5%
16. 2006 6,219 0.3%
17. 2005 4,119 0.2%
18. 2004 2,375 0.1%
19. 2003 1,447 0.1%
20. 2002 985 0.1%
21. 2001 711 0.0%
22. 2000 1,105 0.1%
23. 1999 356 0.0%
24. 1998 1,079 0.1%
25. 1997 358 0.0%
26. 1996 293 0.0%
27. 1995 140 0.0%

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