# Values for Citations_by-year.txt # BIN (year) Citations to Refereed Chandra Science Papers (Num. of Papers) 2000 7935 55 2001 19828 198 2002 27065 330 2003 30538 431 2004 25289 400 2005 26909 447 2006 37453 549 2007 30179 499 2008 27068 517 2009 24957 430 2010 23328 421 2011 21612 440 2012 23231 452 2013 21104 425 2014 17232 404 2015 17461 429 2016 16165 440 2017 20602 471 2018 12348 459 2019 7761 421 2020 5381 390 2021 3431 377 2022 1152 366 2023 0 435 2024 0 84 TOTAL 448029 9870