Bill James' Runs Created . . .
Actual Games Actual
YEAR Runs RC IP IP / 9 Runs / G RC / G Diff.
1960 10664 10813 22209.00 2468 4.32 4.38 0.06
1961 12940 13134 25452.33 2828 4.58 4.64 0.07
1962 14461 14592 29004.33 3223 4.49 4.53 0.04
1963 12780 12928 29098.67 3233 3.95 4.00 0.05
1964 13123 13343 29130.33 3237 4.05 4.12 0.07
1965 12945 13074 29172.67 3241 3.99 4.03 0.04
1966 12900 12968 29042.00 3227 4.00 4.02 0.02
1967 12210 12315 29180.67 3242 3.77 3.80 0.03
1968 11109 11351 29236.00 3248 3.42 3.49 0.07
1969 15850 16090 34898.00 3878 4.09 4.15 0.06
1970 16880 17168 34860.67 3873 4.36 4.43 0.07
1971 15073 15492 34768.00 3863 3.90 4.01 0.11
1972 13706 14115 33452.00 3717 3.69 3.80 0.11
1973 16372 16582 34873.00 3875 4.23 4.28 0.05
1974 16041 16142 34945.33 3883 4.13 4.16 0.03
1975 16291 16530 34730.00 3859 4.22 4.28 0.06
1976 15486 15556 34928.67 3881 3.99 4.01 0.02
1977 18798 19284 37738.33 4193 4.48 4.60 0.12
1978 17247 17708 37500.33 4167 4.14 4.25 0.11
1979 18712 18999 37478.00 4164 4.49 4.56 0.07
1980 18053 18502 37861.00 4207 4.29 4.40 0.11
1981 11146 11338 25095.33 2788 4.00 4.07 0.07
1982 18109 18449 37878.33 4209 4.30 4.38 0.08
1983 18166 18412 37742.00 4194 4.33 4.39 0.06
1984 17915 18187 37704.67 4189 4.28 4.34 0.06
1985 18215 18356 37658.67 4184 4.35 4.39 0.03
1986 18543 18740 37674.33 4186 4.43 4.48 0.05
1987 19883 20295 37574.67 4175 4.76 4.86 0.10
1988 17378 17555 37667.67 4185 4.15 4.19 0.04
1989 17402 17525 37715.00 4191 4.15 4.18 0.03
1990 17918 18272 37563.67 4174 4.29 4.38 0.08
1991 18127 18230 37769.67 4197 4.32 4.34 0.02
1992 17340 17806 37829.67 4203 4.13 4.24 0.11
1993 20862 21227 40507.00 4501 4.64 4.72 0.08
1994 15751 16224 28586.33 3176 4.96 5.11 0.15
1995 19554 20050 36032.00 4004 4.88 5.01 0.12
1996 22830 23375 40560.67 4507 5.07 5.19 0.12
1997 21602 22454 40454.00 4495 4.81 5.00 0.19
1998 23297 24116 43434.67 4826 4.83 5.00 0.17
1999 24694 25642 43210.00 4801 5.14 5.34 0.20
2000 24971 25951 43244.33 4805 5.20 5.40 0.20
2001 23199 24140 43287.33 4810 4.82 5.02 0.20
2002 22408 23290 43269.00 4808 4.66 4.84 0.18
2003 22978 23859 43335.00 4815 4.77 4.96 0.18
2004 23376 24466 43394.00 4822 4.85 5.07 0.23
2005 22325 23313 43232.33 4804 4.65 4.85 0.21
2006 23599 24697 43258.00 4806 4.91 5.14 0.23
2007 23320 24309 43411.00 4823 4.83 5.04 0.21
2008 22585 23579 43357.67 4818 4.69 4.89 0.21
2009 22419 23568 43272.00 4808 4.66 4.90 0.24
2010 21319 22127 43304.67 4812 4.43 4.60 0.17
2011 20808 21665 43527.33 4836 4.30 4.48 0.18
2012 21748 22127 43355.33 4817 4.51 4.59 0.08
2013 21218 21665 43653.33 4850 4.37 4.47 0.09
Totals 943680 967903 1912110.33 212457 4.44 4.56 0.11 Average difference.
0.24 Maximum difference.
0.02 Minimum difference.