Ion		No. of levels
Co I		330
Co II		482
Co III		288
Co IV		297
Co V		268
Co VI		180
Co VII		65
Co VIII		73
Co IX		40
Co X		31
Co XI		40
Co XII		29
Co XIII		42
Co XIV		40
Co XV		64
Co XVI		70
Co XVII		37
Co XVIII		40
Co XIX		54
Co XX		48
Co XXI		16
Co XXII		21
Co XXIII		32
Co XXIV		37
Co XXV		35
Co XXVI		92
Co XXVII		50
Total for Co:		2801