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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 32 |
| 1966 | 38 |
| 1967 | 51 |
| 1968 | 72 |
| 1969 | 58 |
| 1970 | 84 |
| 1971 | 111 |
| 1972 | 153 |
| 1973 | 188 |
| 1974 | 200 |
| 1975 | 187 |
| 1976 | 182 |
| 1977 | 203 |
| 1978 | 177 |
| 1979 | 173 |
| 1980 | 143 |
| 1981 | 128 |
| 1982 | 165 |
| 1983 | 136 |
| 1984 | 192 |
| 1985 | 244 |
| 1986 | 360 |
| 1987 | 423 |
| 1988 | 510 |
| 1989 | 694 |
| 1990 | 945 |
| 1991 | 1171 |
| 1992 | 1676 |
| 1993 | 2193 |
| 1994 | 2764 |
| 1995 | 3321 |
| 1996 | 3917 |
| 1997 | 4677 |
| 1998 | 5067 |
| 1999 | 5447 |
| 2000 | 6162 |
| 2001 | 6989 |
| 2002 | 7528 |
| 2003 | 8415 |
| 2004 | 9200 |
| 2005 | 10179 |
| 2006 | 11200 |
| 2007 | 11827 |
| 2008 | 12606 |
| 2009 | 13612 |
| 2010 | 14504 |
| 2011 | 15874 |
| 2012 | 17461 |
| 2013 | 18238 |
| 2014 | 17628 |
| 2015 | 17643 |
| 2016 | 16530 |
| 2017 | 15787 |
| 2018 | 15898 |
| 2019 | 15459 |
| 2020 | 14282 |
| 2021 | 12265 |
| 2022 | 9924 |
| 2023 | 7692 |
| 2024 | 3982 |