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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1953 | 1 |
| 1954 | 2 |
| 1955 | 2 |
| 1957 | 3 |
| 1958 | 1 |
| 1959 | 3 |
| 1960 | 6 |
| 1961 | 2 |
| 1962 | 6 |
| 1965 | 14 |
| 1966 | 39 |
| 1967 | 43 |
| 1968 | 32 |
| 1969 | 35 |
| 1970 | 57 |
| 1971 | 49 |
| 1972 | 47 |
| 1973 | 37 |
| 1974 | 68 |
| 1975 | 55 |
| 1976 | 53 |
| 1977 | 49 |
| 1978 | 54 |
| 1979 | 57 |
| 1980 | 59 |
| 1981 | 46 |
| 1982 | 66 |
| 1983 | 67 |
| 1984 | 55 |
| 1985 | 61 |
| 1986 | 74 |
| 1987 | 91 |
| 1988 | 81 |
| 1989 | 73 |
| 1990 | 58 |
| 1991 | 94 |
| 1992 | 96 |
| 1993 | 143 |
| 1994 | 91 |
| 1995 | 133 |
| 1996 | 149 |
| 1997 | 182 |
| 1998 | 179 |
| 1999 | 183 |
| 2000 | 188 |
| 2001 | 171 |
| 2002 | 164 |
| 2003 | 186 |
| 2004 | 198 |
| 2005 | 220 |
| 2006 | 255 |
| 2007 | 267 |
| 2008 | 273 |
| 2009 | 288 |
| 2010 | 333 |
| 2011 | 346 |
| 2012 | 414 |
| 2013 | 446 |
| 2014 | 515 |
| 2015 | 533 |
| 2016 | 485 |
| 2017 | 516 |
| 2018 | 554 |
| 2019 | 526 |
| 2020 | 614 |
| 2021 | 620 |
| 2022 | 723 |
| 2023 | 585 |
| 2024 | 524 |
| 2025 | 296 |