Most Common First Letters of License Plates

So, with my brothers Devvik2 and Rassy8, we went throughout our neighborhood calculating license plates and seeing which letters and numbers are the most common license plate starters. Can you name the most common?
Calculations are taken from our neighborhood in Redmond, Washington
Letters and Numbers
Including old and custom license plates
Quiz by Munchkin
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Last updated: May 27, 2020
First submittedMay 27, 2020
Times taken128
Average score88.9%
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%
First Letter/Number
42
B
26
A
9
C
3
0
3
6
2
1
2
S
2
H
2
3
+1
Level 74
May 27, 2020
Did you track all the letters and numbers on the plates? If so, could you do one of these where you have to name the most common ones?
+1
Level 40
May 28, 2020
Most common what?