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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1953 | 18 |
| 1954 | 28 |
| 1955 | 24 |
| 1956 | 18 |
| 1957 | 24 |
| 1958 | 26 |
| 1959 | 26 |
| 1960 | 49 |
| 1961 | 76 |
| 1962 | 44 |
| 1966 | 2 |
| 1967 | 6 |
| 1968 | 11 |
| 1969 | 5 |
| 1970 | 9 |
| 1971 | 6 |
| 1972 | 8 |
| 1973 | 2 |
| 1974 | 1 |
| 1975 | 3 |
| 1976 | 2 |
| 1977 | 6 |
| 1978 | 6 |
| 1979 | 17 |
| 1980 | 23 |
| 1981 | 13 |
| 1982 | 20 |
| 1983 | 24 |
| 1984 | 19 |
| 1985 | 29 |
| 1986 | 32 |
| 1987 | 15 |
| 1988 | 30 |
| 1989 | 38 |
| 1990 | 68 |
| 1991 | 79 |
| 1992 | 122 |
| 1993 | 137 |
| 1994 | 134 |
| 1995 | 161 |
| 1996 | 181 |
| 1997 | 156 |
| 1998 | 161 |
| 1999 | 173 |
| 2000 | 159 |
| 2001 | 183 |
| 2002 | 236 |
| 2003 | 272 |
| 2004 | 269 |
| 2005 | 291 |
| 2006 | 303 |
| 2007 | 305 |
| 2008 | 308 |
| 2009 | 352 |
| 2010 | 339 |
| 2011 | 453 |
| 2012 | 471 |
| 2013 | 541 |
| 2014 | 550 |
| 2015 | 551 |
| 2016 | 462 |
| 2017 | 569 |
| 2018 | 590 |
| 2019 | 620 |
| 2020 | 796 |
| 2021 | 642 |
| 2022 | 95 |
| 2023 | 33 |
| 2024 | 312 |
| 2025 | 355 |