In the final histogram, dotted lines are +-
 indicators.  There is no C- grade.  GBA
 34.0600
 35.5200
 38.9900
 39.2700
 39.8100
 42.3900
 42.6100
 43.9400
 44.0400    E
===============
 46.8700    D
 47.0600
 47.3700
 49.7800
 50.2500
 50.7400
 51.9400
 52.1900
 53.4700
 53.9100
 54.2600
 54.4100
 54.7100    D
===============
 56.1600    C
 57.0900
 57.6400
 57.9600
 58.0900
 58.1000
 59.0400
 59.3300
 59.4500
 59.5400
 59.9300
 60.2600
 60.4700
 60.6300
 60.7800
 60.8700
 60.9300
 61.1100
 61.3800
 62.1500
 62.3300
 62.4000
 62.5000
 62.8300
 63.0900
 63.1700
 63.2500
 63.6300
 64.2800
 64.4000
 64.6000
 64.9200
 64.9600
 65.2000
 65.2500
 65.3100
 65.4800
 65.5800
 65.7000
 65.7900
 65.9700
 66.0600
 66.2000
 66.7300
 66.9700
 67.0100
 67.0200
 67.2500
 67.4400
 67.4800
 67.5200
 67.5400
 67.5900
 67.6700
 67.6900
 68.0600
 68.1500
 68.4600
 68.6600
 68.6700
 68.7200
 69.0000
 69.1000
 69.1800
 69.4000
 69.5800
 69.6200
 69.7700
 69.9900
 70.0500
 70.7200
 70.7900
 70.8500
 70.9300
 71.1600
 71.2200
 71.2600
 71.4600
 71.4700
 71.5300    C
---------------
 72.0100    C+
 72.0300
 72.0700
 72.3400
 72.3500
 72.4900
 72.6500
 72.6600
 72.6800
 72.7400
 72.8700
 72.8800
 72.9400
 72.9500
 73.0200
 73.0900
 73.1500
 73.3300
 73.3900
 73.4300
 73.4300
 73.6000
 73.7900
 73.9400
 73.9600
 74.3500
 74.3500
 74.3900
 74.3900
 74.4300
 74.4400
 74.4700
 74.6800
 74.7900
 74.8000
 74.8100     C+
================
 74.9900     B-
 75.1500
 75.1900
 75.1900
 75.1900
 75.2300
 75.2700
 75.2800
 75.4400
 75.5600
 75.8700     B-
---------------
 76.2800     B
 76.6400
 76.8900
 77.0900
 77.2800
 77.2900
 77.4800
 77.5300
 77.5700
 77.5900
 77.6100
 77.6600
 77.6700
 77.9400
 78.2700
 78.2800
 78.4000
 78.5600
 78.6600
 78.9600
 79.0800
 79.3400
 79.4100
 79.4800
 79.4800
 79.6600
 79.7100
 79.7700
 79.8400
 79.9000
 79.9400
 79.9700
 80.0500
 80.7200
 80.9300
 81.2800
 81.4000
 81.4400
 81.9400
 82.0600
 82.1200
 82.1400
 82.2800    B 
---------------
 82.6700    B+
 82.7000
 82.8500
 82.9200
 83.1000
 83.1300
 83.1900
 83.2100
 83.5900
 84.0600
 84.5800
 84.8400
 84.9000
 85.0500    B+
===============
 85.4600    A-
 85.5900
 85.6100
 85.6400
 85.6600
 85.8300
 85.9000
 86.0000
 86.0500
 86.1700
 86.3600
 86.4400
 86.4900    A-
---------------
 86.8000    A 
 86.9900
 86.9900
 87.0700
 87.1400
 87.1600
 87.1800
 87.3500
 87.4200
 87.4700
 87.7000
 87.8200
 87.9000
 87.9000
 88.0500
 88.2600
 88.8700
 89.4600
 89.6500
 90.0700
 90.3500
 90.4100
 90.4300
 90.4500
 90.5800
 91.1600
 91.1700
 91.5200
 91.7500
 91.8900
 92.0100
 92.0900
 92.1900    A 
---------------
 93.0100    A+
 93.4000
 93.8900
 93.9000
 93.9500
 94.9000
 95.8300