I/O Wait to be consider high

hi, i have I/O Wait 9.90% .......... When is a percentage considered high? thanks Linux 3.10.0-962.3.2.lve1.5.77.el7.x86_64 (xxxxxxx) 04/03/2023 _x86_64_ (8 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 6.37 0.14 1.79 9.90 0.00 81.80 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 118.03 3712.08 921.56 4280955743 1062789095 sdb 105.02 3596.56 921.56 4147725984 1062789044 md2 0.00 0.04 0.24 45029 282404 md3 168.45 562.97 902.87 649246729 1041236472