Huffman code lengths for a typical YCbCr JPEG (photography):

0: 0 (0.00%)
1: 0 (0.00%)
2: 7664341 (59.62%)
3: 1447176 (70.87%)
4: 1510109 (82.62%)
5: 737949 (88.36%)
6: 759048 (94.26%)
7: 426433 (97.58%)
8: 156391 (98.80%)
9: 88996 (99.49%)
10: 30697 (99.73%)
11: 9959 (99.81%)
12: 12054 (99.90%)
13: 5962 (99.95%)
14: 1574 (99.96%)
15: 0 (99.96%)
16: 5377 (100.00%)
17: 0 (100.00%)
18: 0 (100.00%)
19: 0 (100.00%)
20: 0 (100.00%)
21: 0 (100.00%)
22: 0 (100.00%)
23: 0 (100.00%)
24: 0 (100.00%)
25: 0 (100.00%)
26: 0 (100.00%)
27: 0 (100.00%)
28: 0 (100.00%)
29: 0 (100.00%)
30: 0 (100.00%)
31: 0 (100.00%)

Lengths of Huffman code + coefficient length, DC coefficients only:

0: 0 (0.00%)
1: 0 (0.00%)
2: 0 (0.00%)
3: 2908671 (27.85%)
4: 2446981 (51.28%)
5: 1096746 (61.78%)
6: 1999490 (80.93%)
7: 692027 (87.55%)
8: 629095 (93.58%)
9: 57891 (94.13%)
10: 401354 (97.97%)
11: 34787 (98.31%)
12: 30402 (98.60%)
13: 73572 (99.30%)
14: 5514 (99.36%)
15: 23012 (99.58%)
16: 18071 (99.75%)
17: 6923 (99.82%)
18: 4555 (99.86%)
19: 7791 (99.93%)
20: 4877 (99.98%)
21: 902 (99.99%)
22: 66 (99.99%)
23: 11 (99.99%)
24: 574 (99.99%)
25: 522 (100.00%)
26: 15 (100.00%)
27: 0 (100.00%)
28: 0 (100.00%)
29: 0 (100.00%)
30: 0 (100.00%)
31: 0 (100.00%)