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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 19 |
| 1951 | 82 |
| 1952 | 177 |
| 1953 | 233 |
| 1954 | 213 |
| 1955 | 177 |
| 1956 | 196 |
| 1957 | 192 |
| 1958 | 186 |
| 1959 | 164 |
| 1960 | 168 |
| 1961 | 172 |
| 1962 | 120 |
| 1963 | 6 |
| 1964 | 24 |
| 1965 | 334 |
| 1966 | 591 |
| 1967 | 721 |
| 1968 | 680 |
| 1969 | 797 |
| 1970 | 708 |
| 1971 | 756 |
| 1972 | 806 |
| 1973 | 761 |
| 1974 | 778 |
| 1975 | 733 |
| 1976 | 603 |
| 1977 | 613 |
| 1978 | 600 |
| 1979 | 477 |
| 1980 | 545 |
| 1981 | 547 |
| 1982 | 546 |
| 1983 | 531 |
| 1984 | 561 |
| 1985 | 608 |
| 1986 | 563 |
| 1987 | 480 |
| 1988 | 474 |
| 1989 | 440 |
| 1990 | 405 |
| 1991 | 418 |
| 1992 | 376 |
| 1993 | 327 |
| 1994 | 283 |
| 1995 | 278 |
| 1996 | 257 |
| 1997 | 280 |
| 1998 | 258 |
| 1999 | 256 |
| 2000 | 216 |
| 2001 | 224 |
| 2002 | 227 |
| 2003 | 204 |
| 2004 | 163 |
| 2005 | 167 |
| 2006 | 198 |
| 2007 | 165 |
| 2008 | 177 |
| 2009 | 168 |
| 2010 | 165 |
| 2011 | 154 |
| 2012 | 165 |
| 2013 | 158 |
| 2014 | 158 |
| 2015 | 119 |
| 2016 | 107 |
| 2017 | 118 |
| 2018 | 104 |
| 2019 | 102 |
| 2020 | 98 |
| 2021 | 66 |
| 2022 | 72 |
| 2023 | 65 |
| 2024 | 70 |
| 2025 | 65 |
| 2026 | 29 |