| 100% | YRLY | 4 | Once every twelve months, for short |
| 82% | YRLY | 4 | Every twelve months, for short |
| 67% | ANNUALLY | 8 | Once every twelve months |
| 59% | YRS | 3 | Time periods consisting of twelve months, for short |
| 58% | YRS | 3 | Stretches of time consisting of twelve months, for short |
| 51% | YEARLY | 6 | Every twelve months |
| 51% | ANNUAL | 6 | Every twelve months |
| 50% | YRLY | 4 | Every twelve months: Abbr. |
| 48% | DEC | 3 | Month for carols, for short |
| 48% | DEC | 3 | Month for presents, for short |
| 48% | APR | 3 | Month for fools, for short |
| 47% | YRS | 3 | Twelve-month periods, for short |
| 47% | FEB | 3 | Month for love letters, for short |
| 47% | YEARLY | 6 | Once every 12 months |
| 47% | APR | 3 | Month, for short |
| 45% | DEC | 3 | Tiring month for Santa, for short |
| 45% | DEC | 3 | Month for carols and cookies, for short |
| 45% | OCT | 3 | Month for all things Halloween, for short |
| 45% | OCT | 3 | Month for a good scare, for short |
| 44% | MAR | 3 | "03" month, for short |
| 44% | SEP | 3 | "09" month, for short |
| 44% | YRS | 3 | Dozens of months, for short |
| 43% | OCT | 3 | Columbus day month, for short |
| 43% | AUG | 3 | Friendship Day month, for short |
| 43% | SEP | 3 | Labor Day month, for short |
| 43% | OCT | 3 | National pizza month, for short |
| 43% | APR | 3 | Earth Day month, for short |
| 43% | JAN | 3 | New Year month, for short |
| 43% | SEP | 3 | Grandparents Day month, for short |
| 43% | JUL | 3 | Independence day month, for short |