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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 6 |
| 1970 | 13 |
| 1971 | 33 |
| 1972 | 36 |
| 1973 | 38 |
| 1974 | 47 |
| 1975 | 74 |
| 1976 | 92 |
| 1977 | 65 |
| 1978 | 61 |
| 1979 | 84 |
| 1980 | 77 |
| 1981 | 78 |
| 1982 | 85 |
| 1983 | 93 |
| 1984 | 79 |
| 1985 | 81 |
| 1986 | 82 |
| 1987 | 98 |
| 1988 | 97 |
| 1989 | 95 |
| 1990 | 110 |
| 1991 | 115 |
| 1992 | 108 |
| 1993 | 98 |
| 1994 | 138 |
| 1995 | 106 |
| 1996 | 144 |
| 1997 | 152 |
| 1998 | 146 |
| 1999 | 141 |
| 2000 | 166 |
| 2001 | 217 |
| 2002 | 218 |
| 2003 | 183 |
| 2004 | 179 |
| 2005 | 193 |
| 2006 | 220 |
| 2007 | 235 |
| 2008 | 274 |
| 2009 | 298 |
| 2010 | 300 |
| 2011 | 346 |
| 2012 | 304 |
| 2013 | 348 |
| 2014 | 342 |
| 2015 | 293 |
| 2016 | 350 |
| 2017 | 393 |
| 2018 | 397 |
| 2019 | 364 |
| 2020 | 350 |
| 2021 | 295 |
| 2022 | 299 |
| 2023 | 277 |
| 2024 | 216 |
| 2025 | 93 |