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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 3 |
| 1957 | 2 |
| 1958 | 2 |
| 1959 | 3 |
| 1961 | 4 |
| 1962 | 7 |
| 1963 | 11 |
| 1964 | 26 |
| 1965 | 17 |
| 1966 | 13 |
| 1967 | 15 |
| 1968 | 20 |
| 1969 | 30 |
| 1970 | 30 |
| 1971 | 16 |
| 1972 | 20 |
| 1973 | 22 |
| 1974 | 29 |
| 1975 | 25 |
| 1976 | 21 |
| 1977 | 29 |
| 1978 | 37 |
| 1979 | 39 |
| 1980 | 42 |
| 1981 | 35 |
| 1982 | 60 |
| 1983 | 55 |
| 1984 | 72 |
| 1985 | 91 |
| 1986 | 123 |
| 1987 | 117 |
| 1988 | 120 |
| 1989 | 150 |
| 1990 | 119 |
| 1991 | 118 |
| 1992 | 163 |
| 1993 | 143 |
| 1994 | 159 |
| 1995 | 169 |
| 1996 | 170 |
| 1997 | 179 |
| 1998 | 159 |
| 1999 | 191 |
| 2000 | 196 |
| 2001 | 179 |
| 2002 | 197 |
| 2003 | 191 |
| 2004 | 207 |
| 2005 | 217 |
| 2006 | 245 |
| 2007 | 219 |
| 2008 | 232 |
| 2009 | 302 |
| 2010 | 308 |
| 2011 | 341 |
| 2012 | 366 |
| 2013 | 364 |
| 2014 | 357 |
| 2015 | 406 |
| 2016 | 343 |
| 2017 | 369 |
| 2018 | 395 |
| 2019 | 407 |
| 2020 | 484 |
| 2021 | 490 |
| 2022 | 421 |
| 2023 | 338 |
| 2024 | 334 |
| 2025 | 290 |