Ion
No. of lines
Lines with
transition
probabilities
Lines with
level
designations
Hf I
5341
187
3821
Hf II
218
2
10
Hf III
37
0
0
Hf IV
27
0
0
Hf V
82
0
0
Hf LXX
26
0
26
Hf LXXII
13
12
13
Total:
5744
201
3870