I couldn't go to sleep tonight so, WTH...I counted a couple pages in the I&S book for the time period. V-grade was highest. 287 total counted. Scanning the other pages, the ratio of V-grade was even higher
V - 96 - 33%
P2 - 68 - 24%
Ti3 - 79 - 28%
A5 - 8 - 3%
S4 - 17 - 6%
A4 - 11 - 4%
S6 - 1 - 0.3%
P7 - 1 - 0.3%
A6 - 2 - 0.7%
PP - 1 - 0.3%
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