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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1950 | 3 |
| 1951 | 6 |
| 1952 | 2 |
| 1953 | 4 |
| 1954 | 5 |
| 1955 | 3 |
| 1956 | 3 |
| 1957 | 7 |
| 1958 | 1 |
| 1959 | 3 |
| 1960 | 4 |
| 1961 | 18 |
| 1962 | 16 |
| 1963 | 22 |
| 1964 | 25 |
| 1965 | 26 |
| 1966 | 33 |
| 1967 | 36 |
| 1968 | 29 |
| 1969 | 36 |
| 1970 | 46 |
| 1971 | 37 |
| 1972 | 44 |
| 1973 | 41 |
| 1974 | 48 |
| 1975 | 77 |
| 1976 | 62 |
| 1977 | 73 |
| 1978 | 96 |
| 1979 | 92 |
| 1980 | 87 |
| 1981 | 107 |
| 1982 | 109 |
| 1983 | 139 |
| 1984 | 128 |
| 1985 | 168 |
| 1986 | 180 |
| 1987 | 175 |
| 1988 | 209 |
| 1989 | 198 |
| 1990 | 214 |
| 1991 | 209 |
| 1992 | 211 |
| 1993 | 238 |
| 1994 | 240 |
| 1995 | 286 |
| 1996 | 285 |
| 1997 | 278 |
| 1998 | 348 |
| 1999 | 315 |
| 2000 | 358 |
| 2001 | 351 |
| 2002 | 309 |
| 2003 | 331 |
| 2004 | 419 |
| 2005 | 390 |
| 2006 | 392 |
| 2007 | 406 |
| 2008 | 445 |
| 2009 | 481 |
| 2010 | 490 |
| 2011 | 538 |
| 2012 | 571 |
| 2013 | 585 |
| 2014 | 583 |
| 2015 | 605 |
| 2016 | 639 |
| 2017 | 705 |
| 2018 | 677 |
| 2019 | 674 |
| 2020 | 742 |
| 2021 | 789 |
| 2022 | 809 |
| 2023 | 713 |
| 2024 | 717 |
| 2025 | 318 |