Password braking PNA 2016

As part of the security research on passwords, hashes belonging to an academic IT system. Some statistics of broken passwords are as follows:

[+] Analyzing 100% (5854/5854) of passwords

[*] Length:
[+]                        10: 39% (2327)
[+]                         8: 17% (1034)
[+]                         9: 11% (699)
[+]                        11: 08% (470)
[+]                         7: 05% (347)
[+]                         6: 05% (334)
[+]                        12: 04% (261)
[+]                        13: 02% (131)
[+]                        14: 01% (94)
[+]                         5: 01% (61)
[+]                         4: 00% (30)
[+]                        15: 00% (30)
[+]                        16: 00% (13)
[+]                         3: 00% (6)
[+]                        17: 00% (6)
[+]                        19: 00% (5)
[+]                        18: 00% (4)
[+]                        21: 00% (1)
[+]                        22: 00% (1)

[*] Character-set:
[+]             loweralphanum: 38% (2274)
[+]                specialnum: 30% (1758)
[+]                loweralpha: 10% (609)
[+]             mixedalphanum: 09% (571)
[+]                   numeric: 07% (419)
[+]                       all: 01% (73)
[+]                mixedalpha: 00% (57)
[+]      loweralphaspecialnum: 00% (38)
[+]             upperalphanum: 00% (37)
[+]         loweralphaspecial: 00% (12)
[+]                upperalpha: 00% (3)
[+]         mixedalphaspecial: 00% (1)
[+]      upperalphaspecialnum: 00% (1)
[+]         upperalphaspecial: 00% (1)

[*] Password complexity:
[+]                     digit: min(0) max(13)
[+]                     lower: min(0) max(19)
[+]                     upper: min(0) max(12)
[+]                   special: min(0) max(8)

[*] Simple Masks:
[+]               stringdigit: 43% (2525)
[+]                 othermask: 32% (1899)
[+]                    string: 11% (669)
[+]                     digit: 07% (419)
[+]         stringdigitstring: 01% (117)
[+]               digitstring: 01% (95)
[+]        stringdigitspecial: 00% (43)
[+]          digitstringdigit: 00% (34)
[+]        stringspecialdigit: 00% (28)
[+]       stringspecialstring: 00% (7)
[+]             stringspecial: 00% (5)
[+]        specialstringdigit: 00% (4)
[+]              digitspecial: 00% (2)
[+]        digitstringspecial: 00% (2)
[+]              specialdigit: 00% (1)
[+]             specialstring: 00% (1)
[+]        digitspecialstring: 00% (1)
[+]         digitspecialdigit: 00% (1)
[+]       specialdigitspecial: 00% (1)

[*] Advanced Masks:
[+]      ?d?d?s?d?d?s?d?d?d?d: 29% (1752)
[+]          ?l?l?l?l?l?l?d?d: 03% (195)
[+]          ?d?d?d?d?d?d?d?d: 02% (150)
[+]        ?l?l?l?l?l?l?l?d?d: 02% (140)
[+]          ?l?l?l?l?l?d?d?d: 02% (123)
[+]          ?l?l?l?l?l?l?l?l: 02% (120)
[+]              ?l?l?l?l?l?l: 01% (102)
[+]          ?l?l?l?l?l?l?l?d: 01% (98)
[+]    ?d?d?d?d?d?d?d?d?d?d?d: 01% (97)
[+]        ?l?l?l?l?l?l?d?d?d: 01% (96)
[+]      ?l?l?l?l?l?l?l?l?d?d: 01% (92)
[+]        ?l?l?l?l?l?l?l?l?l: 01% (90)
[+]            ?l?l?l?l?l?d?d: 01% (89)
[+]      ?l?l?l?l?l?l?d?d?d?d: 01% (85)
[+]        ?l?l?l?l?l?d?d?d?d: 01% (81)
[+]    ?l?l?l?l?l?l?l?l?l?d?d: 01% (79)
[+]            ?l?l?l?l?l?l?d: 01% (79)
[+]            ?l?l?l?l?l?l?l: 01% (77)
[+]      ?l?l?l?l?l?l?l?l?l?l: 01% (75)
[+]        ?l?l?l?l?l?l?l?l?d: 01% (74)
[+]              ?l?l?l?l?l?d: 01% (67)
[+]              ?d?d?d?d?d?d: 01% (65)

The pproject PACT (Password Analysis and Cracking Toolkit) http://thesprawl.org/projects/pack/ was used to generate above statistics.