histogram does not show all value of frequencies

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Hi,

I graph the values of a frequency command with
FREQUENCIES V172/HIST.
The variables has 11 values, and only 10 are shown.

This appears to be a bug to me.

This are the data:

- ftr

QA16 GENERAL TRUST IN PEOPLE (10P-SCALE)
╭──────────────────┬──────┬─────────┬─────┬─────────────────┬─────────────────╮
│   Étiquette de   │Valeur│Fréquence│  %  │   Pourcentage   │ 
Pourcentage   │
│      valeur      │      │         │     │      valide     │ cumulé     │
╞══════════════════╪══════╪═════════╪═════╪═════════════════╪═════════════════╡
│                  │     1│     3063│11,50│ 11,54│            11,54│
│                  │     2│     1633│ 6,13│ 6,15│            17,70│
│                  │     3│     2831│10,63│ 10,67│            28,37│
│                  │     4│     2985│11,21│ 11,25│            39,61│
│                  │     5│     5159│19,37│ 19,44│            59,06│
│                  │     6│     3198│12,01│ 12,05│            71,11│
│                  │     7│     3740│14,04│ 14,09│            85,20│
│                  │     8│     2445│ 9,18│ 9,21│            94,42│
│                  │     9│      714│ 2,68│ 2,69│            97,11│
│                  │    10│      768│ 2,88│ 2,89│           100,00│
│                  │    11│       99│  ,37│ Manquant(e)│                 │
╞══════════════════╧══════╪═════════╪═════╪═════════════════╪═════════════════╡
│                    Total│    26635│100,0│ 100,0│                 │
╰─────────────────────────┴─────────┴─────┴─────────────────┴─────────────────╯