| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what happened in the year 1989 | 0.15 | 0.1 | 7729 | 2 |
| what happened in the year 1980 | 0.17 | 0.1 | 9548 | 45 |
| what happened in the year 1988 | 0.11 | 1 | 9446 | 78 |
| what happened in the year 1984 | 1.5 | 0.5 | 9173 | 2 |
| what happened in the year 1987 | 1.08 | 1 | 1077 | 14 |
| what happened in the year 1981 | 1.71 | 0.7 | 9018 | 21 |
| what happened in the year 1985 | 1.92 | 0.5 | 4846 | 27 |
| what happened in the year 1983 | 1.92 | 1 | 3080 | 28 |
| what happened in the year 1982 | 0.1 | 0.3 | 4520 | 46 |
| what happened in the year 1986 | 0.89 | 0.2 | 8753 | 85 |
| what happened in the year 1993 | 1.89 | 1 | 2301 | 33 |
| what happened in the year 1991 | 0.95 | 0.2 | 399 | 80 |
| what happened in the year 1990 | 0.48 | 0.1 | 9979 | 84 |
| what happened in the year 1999 | 0.28 | 0.7 | 8809 | 96 |
| what happened in the year 1998 | 0.11 | 0.4 | 1685 | 83 |
