| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| big events that happened in 1991 | 0.21 | 0.5 | 8321 | 76 |
| big events that happened in 1992 | 0.02 | 0.9 | 3330 | 7 |
| big events that happened in 1990 | 1 | 0.2 | 8218 | 16 |
| big events that happened in 1993 | 1.92 | 0.5 | 6621 | 53 |
| big events that happened in 1994 | 1.7 | 0.6 | 1380 | 19 |
| big events that happened in 1995 | 0.1 | 0.1 | 4386 | 63 |
| big events that happened in 1996 | 0.29 | 0.8 | 7733 | 60 |
| big events that happened in 1998 | 0.77 | 0.8 | 2310 | 12 |
| big events that happened in 1927 | 0.4 | 0.7 | 9087 | 83 |
| big events that happened in 1922 | 1.07 | 0.2 | 7072 | 24 |
| big events that happened in 1923 | 0.43 | 0.6 | 4922 | 42 |
| big events that happened in 1968 | 1.73 | 0.3 | 215 | 14 |
| big events that happened in 1966 | 1.91 | 0.5 | 9025 | 5 |
