diff --git a/Chapter_8/results_career.csv b/Chapter_8/results_career.csv
index de535587ec3d7e83ae9345bc406db7c32b59190f..cfc8efb8a59f0029608806ab511868eb80919e72 100644
--- a/Chapter_8/results_career.csv
+++ b/Chapter_8/results_career.csv
@@ -1,22 +1,22 @@
-bin low edge,bin high edge,number of entries
--0.5,0.5,31.0
-0.5,1.5,11.0
-1.5,2.5,23.0
-2.5,3.5,60.0
-3.5,4.5,24.0
-4.5,5.5,17.0
-5.5,6.5,18.0
-6.5,7.5,36.0
-7.5,8.5,42.0
-8.5,9.5,61.0
-9.5,10.5,58.0
-10.5,11.5,77.0
-11.5,12.5,62.0
-12.5,13.5,85.0
-13.5,14.5,68.0
-14.5,15.5,66.0
-15.5,16.5,62.0
-16.5,17.5,60.0
-17.5,18.5,78.0
-18.5,19.5,37.0
-19.5,20.5,24.0
+bin id,bin center,number of entries
+0,0,31
+1,1,11
+2,2,23
+3,3,60
+4,4,24
+5,5,17
+6,6,18
+7,7,36
+8,8,42
+9,9,61
+10,10,58
+11,11,77
+12,12,62
+13,13,85
+14,14,68
+15,15,66
+16,16,62
+17,17,60
+18,18,78
+19,19,37
+20,20,24
diff --git a/Chapter_8/results_one_year.csv b/Chapter_8/results_one_year.csv
index a88a4310a5edb06833a584d71959b1de59f462c5..0a6f0f788e33ce5e2c64e4d294ca1fdb89d32f88 100644
--- a/Chapter_8/results_one_year.csv
+++ b/Chapter_8/results_one_year.csv
@@ -1,22 +1,22 @@
-bin low edge,bin high edge,number of entries
--0.5,0.5,1.0
-0.5,1.5,0.0
-1.5,2.5,0.0
-2.5,3.5,3.0
-3.5,4.5,1.0
-4.5,5.5,1.0
-5.5,6.5,1.0
-6.5,7.5,2.0
-7.5,8.5,6.0
-8.5,9.5,1.0
-9.5,10.5,2.0
-10.5,11.5,2.0
-11.5,12.5,1.0
-12.5,13.5,2.0
-13.5,14.5,3.0
-14.5,15.5,3.0
-15.5,16.5,0.0
-16.5,17.5,0.0
-17.5,18.5,1.0
-18.5,19.5,0.0
-19.5,20.5,0.0
+bin id,bin center,number of entries
+0,0,1
+1,1,0
+2,2,0
+3,3,3
+4,4,1
+5,5,1
+6,6,1
+7,7,2
+8,8,6
+9,9,1
+10,10,2
+11,11,2
+12,12,1
+13,13,2
+14,14,3
+15,15,3
+16,16,0
+17,17,0
+18,18,1
+19,19,0
+20,20,0