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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1954 | 1 |
| 1957 | 3 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 2 |
| 1962 | 3 |
| 1965 | 3 |
| 1966 | 8 |
| 1967 | 31 |
| 1968 | 41 |
| 1969 | 48 |
| 1970 | 42 |
| 1971 | 47 |
| 1972 | 45 |
| 1973 | 57 |
| 1974 | 49 |
| 1975 | 58 |
| 1976 | 62 |
| 1977 | 54 |
| 1978 | 63 |
| 1979 | 64 |
| 1980 | 56 |
| 1981 | 63 |
| 1982 | 62 |
| 1983 | 81 |
| 1984 | 57 |
| 1985 | 69 |
| 1986 | 51 |
| 1987 | 49 |
| 1988 | 55 |
| 1989 | 87 |
| 1990 | 55 |
| 1991 | 65 |
| 1992 | 53 |
| 1993 | 65 |
| 1994 | 62 |
| 1995 | 72 |
| 1996 | 63 |
| 1997 | 92 |
| 1998 | 111 |
| 1999 | 111 |
| 2000 | 121 |
| 2001 | 141 |
| 2002 | 144 |
| 2003 | 202 |
| 2004 | 177 |
| 2005 | 217 |
| 2006 | 239 |
| 2007 | 265 |
| 2008 | 259 |
| 2009 | 285 |
| 2010 | 278 |
| 2011 | 336 |
| 2012 | 315 |
| 2013 | 355 |
| 2014 | 384 |
| 2015 | 414 |
| 2016 | 355 |
| 2017 | 302 |
| 2018 | 354 |
| 2019 | 356 |
| 2020 | 401 |
| 2021 | 395 |
| 2022 | 418 |
| 2023 | 365 |
| 2024 | 339 |
| 2025 | 266 |