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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 1 |
| 1951 | 3 |
| 1952 | 1 |
| 1953 | 3 |
| 1954 | 1 |
| 1956 | 1 |
| 1957 | 2 |
| 1958 | 2 |
| 1959 | 1 |
| 1960 | 3 |
| 1961 | 7 |
| 1962 | 14 |
| 1963 | 19 |
| 1964 | 24 |
| 1965 | 13 |
| 1966 | 31 |
| 1967 | 26 |
| 1968 | 43 |
| 1969 | 53 |
| 1970 | 55 |
| 1971 | 40 |
| 1972 | 39 |
| 1973 | 56 |
| 1974 | 73 |
| 1975 | 65 |
| 1976 | 62 |
| 1977 | 80 |
| 1978 | 72 |
| 1979 | 80 |
| 1980 | 97 |
| 1981 | 114 |
| 1982 | 122 |
| 1983 | 143 |
| 1984 | 172 |
| 1985 | 171 |
| 1986 | 209 |
| 1987 | 173 |
| 1988 | 194 |
| 1989 | 211 |
| 1990 | 225 |
| 1991 | 217 |
| 1992 | 222 |
| 1993 | 265 |
| 1994 | 286 |
| 1995 | 302 |
| 1996 | 329 |
| 1997 | 315 |
| 1998 | 332 |
| 1999 | 336 |
| 2000 | 337 |
| 2001 | 324 |
| 2002 | 290 |
| 2003 | 310 |
| 2004 | 311 |
| 2005 | 312 |
| 2006 | 357 |
| 2007 | 375 |
| 2008 | 356 |
| 2009 | 428 |
| 2010 | 427 |
| 2011 | 473 |
| 2012 | 541 |
| 2013 | 520 |
| 2014 | 511 |
| 2015 | 503 |
| 2016 | 493 |
| 2017 | 450 |
| 2018 | 453 |
| 2019 | 445 |
| 2020 | 537 |
| 2021 | 612 |
| 2022 | 587 |
| 2023 | 551 |
| 2024 | 478 |
| 2025 | 140 |