| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what happened in the year 1990 | 0.64 | 0.2 | 5680 | 73 |
| what happened in the year 1980 | 1.48 | 0.1 | 9275 | 21 |
| what happened in the year 1992 | 1.33 | 0.2 | 73 | 100 |
| what happened in the year 1991 | 1.21 | 0.1 | 9319 | 19 |
| what happened in the year 1999 | 0.32 | 0.8 | 4893 | 5 |
| what happened in the year 1900 | 1.12 | 0.5 | 4598 | 46 |
| what happened in the year 1998 | 0.65 | 1 | 6209 | 83 |
| what happened in the year 1993 | 0.82 | 0.8 | 320 | 15 |
| what happened in the year 1994 | 1.39 | 0.5 | 344 | 96 |
| what happened in the year 1995 | 1.38 | 0.5 | 6353 | 37 |
| what happened in the year 1996 | 0.72 | 0.7 | 4988 | 92 |
| what happened in the year 1997 | 1.84 | 0.2 | 3121 | 79 |
| what happened in the year 1993 in the uk | 1.36 | 0.9 | 1303 | 55 |
| what happened in the year 1900 in america | 0.07 | 0.2 | 3768 | 96 |
