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Table 2 Mean citations per year needed to achieve various percentile rankings as a function of year of publication

From: Citation rates for experimental psychology articles published between 1950 and 2004: Top-cited articles in behavioral cognitive psychology

  Mean Cites per Year Needed to Achieve the Given Percentile Ranking  
Year of Publication Number of Articles Number of Top-500 “Cognitive” Articles Mean Cites per Year 25 % 50 % 75 % 85 % 90 % 95 % 99 % Range of Mean Cites per Year for Top-Cited “Cognitive” Articles
1950–54 1,500 9 0.58 0.07 0.22 0.52 0.81 1.14 2.03 7.34 7.98–29.20*
1955–59 2,403 14 0.70 0.06 0.20 0.54 0.90 1.32 2.35 7.55 6.96–92.36*
1960–64 4,081 24 0.53 0.04 0.18 0.52 0.87 1.23 2.02 5.51 5.04–18.76*
1965–69 7,486 43 0.54 0.05 0.18 0.48 0.78 1.13 1.88 5.70 5.73–38.78*
1970–74 8,870 52 0.70 0.06 0.22 0.60 1.05 1.50 2.70 7.71 7.23–87.08
1975–79 9,156 53 0.94 0.03 0.22 0.73 1.33 2.00 3.67 9.56 9.90–94.28*
1980–84 9,419 55 1.25 0.07 0.29 1.07 1.96 2.92 5.03 15.00 13.83–106.66*
1985–89 9,538 55 1.62 0.09 0.41 1.46 2.65 3.83 6.45 18.16 16.95–75.91*
1990–94 10,550 61 1.97 0.16 0.65 2.00 3.43 5.00 8.02 17.16 15.27–81.68*
1995–99 11,196 65 2.26 0.30 0.93 2.50 3.92 5.40 8.45 19.09 16.00–79.80*
2000–04 11,796 69 2.60 0.44 1.29 3.00 4.43 5.86 9.13 21.56 14.83–72.75*
Total 85,995 500 1.48 0.10 0.40 1.40 2.50 3.57 6.00 15.80  
    Median 0.00 0.27 1.14 2.09 3.25 5.36 14.22  
  1. *The citation rate provided here for the highest cited cognitive article in the designated half decade was exceeded by the citation rate(s) of one or more noncognitive articles that were published during that same half decade by the journals listed in Table 1.