OK, I went ahead and looked for the information that I've asked
Btw, thanks Sauron. Below is even more detailed spells statistics:
Level: Eq. / No Eq. (current spells) [notes]
Chaos
Lvl1: 7 / 6 (B.lust, Spark, F. Aura, Haste, M. Arrow, Slayer, Smoke) [Smoke added]
Lvl2: 7 / 6 (Conf., F. Bolt, 1st St., M. Flare, Misfor., S. Shackle, H. Health) [H. Health added]
Lvl3: 6 / 6 (BFrenzy, F. Ring, FBall, Light'g, M. Mirror, M. Slayer)
Lvl4: 6 / 6 (Cloud, Implosion, Inferno, Mass 1st., M. Misfor., Cat R.)
Lvl5: 3 / 3 (Armag'n, C. Light'g, Disintigrate)
Tot: 29 / 27
Death
Lvl1: 5 / 5 (Curse, Poison, Raise S., D. Ray, Weakness) [W moved from lvl2]
Lvl2: 9 / 7 (A. Dead, U. Song, L. Drain, Mire, Fatigue, Sorrow, Canc., P. Attack, Life W.) [Canc. moved from lvl1; P. Attack and Life W. added]
Lvl3: 7 / 6 (Aura, M. Leech, M. Curse, Plague, Raise G., M. Weak., Aging) [M. Weak. moved from lvl4; Aging added]
Lvl4: 5 / 4 (D. Call, M. Sorrow, Sacrifice, Raise V., Terror) [Sacrifice and Raise V. moved from lvl5; Terror added]
Lvl5: 3 / 3 (Hand, M. Canc, Vampiric) [M. Canc. moved from lvl3; Vampiric moved from lvl4]
Tot: 29 / 25 [5 summon demon spells excluded]
Life
Lvl1: 7 / 6 (B. Wound, Bless, Exor., S. Armor, H. Word, S. Ship, Retrib.) [Retrib. moved from lvl2]
Lvl2: 10 / 11 (H. Shield, Defender, Heal, Martyr, Song, Mirth, Wards) [4 Ward spells]
Lvl3: 7 / 5 (C. Armor, H. Shout, M. Bless, M. Heal, Regen., Endurance, M. Exor.) [M. Exor moved from lvl4; Endurance added]
Lvl4: 7 / 7 (M. Fervor, Prayer, Guardian, M. Wards) [4 Ward spells; Guardian moved from lvl5]
Lvl5: 3 / 3 (Divine, Sanctuary, Resurr.) [Resurr. added]
Tot: 34 / 32 [8 Ward spells]
Nature
Lvl1: 7 / 7 (Speed, Path., SSkin, T. Walk, Summon 1st) [3 summon spells]
Lvl2: 7 / 8 (Giant S., Fortune, Snake, Wasp, Summon 2nd) [3 summon spells]
Lvl3: 8 / 7 (Antimagic, M. Speed, Necro. W., QSand, Summon elem.) [4 summon spells; QSand moved from lvl2]
Lvl4: 5 / 5 (M. Fortune, M. Snake, Summon 3rd) [3 summon spells]
Lvl5: 4 / 4 (Dragon S., Summon 4th) [3 summon spells]
Tot: 31 / 31 [16 summon spells]
Order
Lvl1: 6 / 6 (Blur, Disp., M. Fist, Prec., Vision, Cowardice) [Cowardice moved from lvl2]
Lvl2: 8 / 7 (Flight, Icebolt, C. Illusion, Slow, P. Drain, Steal, Dispel, Bind Flyer) [Dispel moved from lvl1; Bind Flyer added]
Lvl3: 7 / 7 (Banish, Forget., M. Dispel, M. Prec., M. Blur, Blind, Phantom) [Blind and Phantom moved from lvl4]
Lvl4: 4 / 4 (Berserk, M. Slow, T. Gate, Teleport) [T. Gate and Teleport moved from lvl3]
Lvl5: 3 / 3 (Hypno., Pain M., Steal All)
Tot: 28 / 27