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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1942 | 1 |
| 1943 | 1 |
| 1950 | 3 |
| 1953 | 3 |
| 1954 | 1 |
| 1956 | 1 |
| 1957 | 5 |
| 1958 | 6 |
| 1959 | 8 |
| 1960 | 5 |
| 1961 | 6 |
| 1962 | 8 |
| 1963 | 18 |
| 1964 | 19 |
| 1965 | 33 |
| 1966 | 38 |
| 1967 | 45 |
| 1968 | 42 |
| 1969 | 43 |
| 1970 | 50 |
| 1971 | 54 |
| 1972 | 35 |
| 1973 | 35 |
| 1974 | 45 |
| 1975 | 45 |
| 1976 | 46 |
| 1977 | 50 |
| 1978 | 51 |
| 1979 | 67 |
| 1980 | 60 |
| 1981 | 84 |
| 1982 | 79 |
| 1983 | 72 |
| 1984 | 83 |
| 1985 | 89 |
| 1986 | 79 |
| 1987 | 134 |
| 1988 | 143 |
| 1989 | 134 |
| 1990 | 118 |
| 1991 | 150 |
| 1992 | 143 |
| 1993 | 175 |
| 1994 | 157 |
| 1995 | 176 |
| 1996 | 183 |
| 1997 | 196 |
| 1998 | 237 |
| 1999 | 236 |
| 2000 | 257 |
| 2001 | 240 |
| 2002 | 282 |
| 2003 | 254 |
| 2004 | 267 |
| 2005 | 298 |
| 2006 | 264 |
| 2007 | 245 |
| 2008 | 305 |
| 2009 | 272 |
| 2010 | 278 |
| 2011 | 325 |
| 2012 | 364 |
| 2013 | 404 |
| 2014 | 403 |
| 2015 | 443 |
| 2016 | 462 |
| 2017 | 433 |
| 2018 | 460 |
| 2019 | 489 |
| 2020 | 545 |
| 2021 | 627 |
| 2022 | 588 |
| 2023 | 571 |
| 2024 | 517 |
| 2025 | 36 |