| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| leap years list since 1970 | 0.93 | 1 | 4838 | 22 |
| leap years list since 1900 | 0.28 | 1 | 8894 | 20 |
| how many leap years since 1970 | 1.6 | 0.9 | 6549 | 47 |
| list of leap years since 1990 | 1.86 | 0.1 | 248 | 79 |
| list of leap years since 1980 | 0.19 | 0.5 | 1618 | 89 |
| list of leap years since 1960 | 0.12 | 0.2 | 2192 | 60 |
| list of leap years since 1950 | 1.32 | 0.1 | 4778 | 95 |
| leap years list since 2000 | 0.23 | 1 | 3045 | 20 |
| list of leap years past | 0.29 | 0.7 | 9869 | 46 |
| previous leap years list | 1.62 | 0.6 | 6158 | 63 |
| leap years since 1960 | 0.41 | 0.8 | 2623 | 70 |
| leap years since 1972 | 1.41 | 0.7 | 7139 | 62 |
| leap years since 1980 | 1.1 | 0.1 | 2232 | 19 |
| leap years since 1950 | 1.49 | 0.7 | 3881 | 54 |
| all leap years list | 1.28 | 0.1 | 8839 | 86 |
| all previous leap years | 0.7 | 0.9 | 2899 | 95 |
| leap years in the 70's | 0.49 | 0.7 | 222 | 51 |
