y = 9.502/(1 + e^(-(x-(-4.043))/9.931))
Inital zero points added:0
Inflexion point of curve:1962
acceleration counts pred pred_actual velocity y_norm year
0 0.002 1 4.284 31.465 0.237 1.186 1960
1 -0.001 6 5.000 83.980 0.239 2.445 1963
2 -0.002 11 5.238 122.656 0.237 2.879 1964
3 -0.004 94 5.473 169.922 0.234 4.885 1965
4 -0.005 191 5.705 218.113 0.230 5.573 1966
5 -0.006 336 5.932 292.258 0.224 6.071 1967
6 -0.006 490 6.153 397.815 0.218 6.361 1968
7 -0.007 543 6.368 509.745 0.211 6.431 1969
8 -0.008 654 6.576 630.292 0.204 6.613 1970
9 -0.008 1071 6.776 789.194 0.196 7.081 1971
10 -0.009 1354 6.967 980.493 0.187 7.290 1972
11 -0.009 1415 7.150 1196.763 0.178 7.318 1973
12 -0.009 1896 7.324 1448.855 0.169 7.593 1974
13 -0.009 1630 7.488 1813.916 0.160 7.381 1975
14 -0.009 1714 7.643 2162.668 0.151 7.411 1976
15 -0.009 1880 7.789 2568.485 0.141 7.477 1977
16 -0.009 1894 7.926 3058.298 0.132 7.447 1978
17 -0.009 2341 8.054 3590.211 0.124 7.627 1979
18 -0.008 2620 8.173 4018.842 0.115 7.746 1980
19 -0.008 2865 8.284 4523.090 0.107 7.828 1981
20 -0.008 3543 8.387 5209.112 0.099 8.002 1982
21 -0.007 4157 8.483 6008.145 0.092 8.114 1983
22 -0.007 5271 8.571 6756.913 0.085 8.322 1984
23 -0.006 5798 8.652 7570.362 0.078 8.385 1985
24 -0.006 6448 8.727 8475.414 0.072 8.453 1986
25 -0.006 7662 8.795 9560.431 0.066 8.574 1987
26 -0.005 9602 8.858 10698.426 0.060 8.750 1988
27 -0.005 12841 8.916 11824.758 0.055 8.999 1989
28 -0.005 18902 8.969 12689.348 0.051 9.368 1990
29 -0.004 23082 9.018 13339.727 0.046 9.566 1991
30 -0.004 28110 9.062 14051.575 0.042 9.755 1992
31 -0.004 32983 9.102 14865.578 0.039 9.899 1993
32 -0.003 38041 9.139 15780.027 0.035 10.019 1994
33 -0.003 41092 9.172 16685.185 0.032 10.074 1995
34 -0.003 35336 9.203 17424.931 0.029 9.910 1996
35 -0.003 26364 9.231 18348.053 0.026 9.593 1997
36 -0.002 27126 9.256 19462.524 0.024 9.588 1998
37 -0.002 28230 9.279 20487.927 0.022 9.600 1999
38 -0.002 28885 9.300 22091.230 0.020 9.568 2000
39 -0.002 27870 9.319 23454.666 0.018 9.491 2001
40 -0.002 27420 9.336 24598.489 0.016 9.445 2002
41 -0.001 28229 9.352 26307.206 0.015 9.422 2003
42 -0.001 29306 9.366 28131.374 0.013 9.407 2004
43 -0.001 28696 9.379 29991.314 0.012 9.335 2005
44 -0.001 28149 9.390 31586.842 0.011 9.275 2006
45 -0.001 27796 9.401 33074.666 0.010 9.227 2007
46 -0.001 26879 9.410 34844.648 0.009 9.151 2008
47 -0.001 26003 9.419 36229.779 0.008 9.087 2009
48 -0.001 26065 9.427 37890.491 0.007 9.053 2010
49 -0.001 27259 9.434 39836.738 0.007 9.055 2011
50 -0.001 28796 9.440 42228.466 0.006 9.058 2012
51 -0.001 26690 9.446 44130.762 0.006 8.944 2013
52 -0.000 20481 9.452 35137.252 0.005 8.912 2014
53 -0.000 2554 9.456 4695.593 0.005 8.847 2015