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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 3 |
| 1957 | 1 |
| 1958 | 3 |
| 1959 | 2 |
| 1961 | 7 |
| 1962 | 11 |
| 1963 | 5 |
| 1964 | 8 |
| 1965 | 14 |
| 1966 | 8 |
| 1967 | 34 |
| 1968 | 29 |
| 1969 | 38 |
| 1970 | 24 |
| 1971 | 20 |
| 1972 | 22 |
| 1973 | 24 |
| 1974 | 25 |
| 1975 | 28 |
| 1976 | 26 |
| 1977 | 32 |
| 1978 | 37 |
| 1979 | 44 |
| 1980 | 46 |
| 1981 | 47 |
| 1982 | 61 |
| 1983 | 54 |
| 1984 | 63 |
| 1985 | 77 |
| 1986 | 80 |
| 1987 | 78 |
| 1988 | 92 |
| 1989 | 100 |
| 1990 | 107 |
| 1991 | 108 |
| 1992 | 132 |
| 1993 | 162 |
| 1994 | 126 |
| 1995 | 122 |
| 1996 | 138 |
| 1997 | 153 |
| 1998 | 176 |
| 1999 | 184 |
| 2000 | 191 |
| 2001 | 206 |
| 2002 | 243 |
| 2003 | 228 |
| 2004 | 271 |
| 2005 | 269 |
| 2006 | 284 |
| 2007 | 277 |
| 2008 | 311 |
| 2009 | 291 |
| 2010 | 308 |
| 2011 | 436 |
| 2012 | 394 |
| 2013 | 413 |
| 2014 | 382 |
| 2015 | 392 |
| 2016 | 438 |
| 2017 | 406 |
| 2018 | 391 |
| 2019 | 413 |
| 2020 | 478 |
| 2021 | 502 |
| 2022 | 447 |
| 2023 | 409 |
| 2024 | 174 |