| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| important things that happened in 1990 | 1.61 | 0.8 | 1622 | 85 |
| important things that happened in 1980 | 1.65 | 0.5 | 5011 | 68 |
| important things that happened in 1992 | 1.24 | 0.2 | 3404 | 26 |
| important things that happened in 1991 | 0.72 | 0.1 | 8376 | 28 |
| important things that happened in 1997 | 0.73 | 0.9 | 6996 | 77 |
| important things that happened in 1993 | 1.14 | 1 | 3495 | 51 |
| important things that happened in 1995 | 0.66 | 0.6 | 9983 | 6 |
| important things that happened in 1996 | 1.37 | 0.4 | 8548 | 16 |
| important things that happened in 1998 | 1.87 | 0.6 | 482 | 85 |
| important things that happened in 1999 | 1.74 | 0.7 | 2693 | 80 |
| important things that happened in 1989 | 1.94 | 0.2 | 7617 | 7 |
| important things that happened in 1970 | 1.02 | 0.4 | 9756 | 22 |
| important things that happened in 1950 | 1.19 | 0.9 | 6451 | 7 |
| important things that happened in 1960 | 0.63 | 1 | 1909 | 8 |
| important things that happened in 1930 | 1.29 | 0.7 | 9687 | 60 |
| important things that happened in the 1990s | 1.7 | 0.8 | 9303 | 52 |
