Among a total of 44 glyphs of this type 18 are in line a2. If we in order to be fair exclude those in G, the numbers change to 10 out of 36:

Aa2-13	Aa2-24	Aa2-27

Bb10-37	Bb11-40	Bb12-12	Bb12-20

Ca2-13

Da4-112	Db2-109	Db3-107

Eb5-15	Eb8-2	Eb8-5	Eb8-18

Ga2-2	Ga2-4	Ga2-6	Ga2-8
Ga2-10	Ga2-12	Ga2-16	Ga2-24

Ha1-37	Ha2-10

I2-61	I5-23	I6-132
I7-131	I11-147	I13-165

Ka2-12	Ka2-14	Ka3-4	Ka3-12

Pa2-3	Pa4-52

Ra4-24	Rb2-15	Rb8-16	Rb8-17

Sa7-416	Sb3-203

Ua2-103