# Values for Citations_by-year.txt 
#  BIN (year) Citations to Refereed Chandra Science Papers (Num. of Papers)
         2000       8252              55
         2001      20507             198
         2002      28319             330
         2003      32257             431
         2004      26787             400
         2005      28768             447
         2006      41227             549
         2007      33102             499
         2008      29637             519
         2009      27484             432
         2010      26159             421
         2011      24317             441
         2012      26653             453
         2013      24218             425
         2014      21270             405
         2015      21825             429
         2016      20417             440
         2017      27356             472
         2018      16949             459
         2019      12064             421
         2020       9462             390
         2021       7687             378
         2022       5612             367
         2023       3606             441
         2024       2734             501
         2025       2568             447
         2026          0               1
        TOTAL     529237           10751