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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1950 | 4 |
| 1951 | 2 |
| 1952 | 1 |
| 1954 | 1 |
| 1956 | 3 |
| 1957 | 4 |
| 1958 | 1 |
| 1959 | 3 |
| 1960 | 2 |
| 1961 | 7 |
| 1962 | 9 |
| 1963 | 19 |
| 1964 | 23 |
| 1965 | 20 |
| 1966 | 25 |
| 1967 | 32 |
| 1968 | 33 |
| 1969 | 39 |
| 1970 | 44 |
| 1971 | 28 |
| 1972 | 42 |
| 1973 | 43 |
| 1974 | 29 |
| 1975 | 32 |
| 1976 | 41 |
| 1977 | 45 |
| 1978 | 52 |
| 1979 | 50 |
| 1980 | 39 |
| 1981 | 52 |
| 1982 | 76 |
| 1983 | 53 |
| 1984 | 82 |
| 1985 | 98 |
| 1986 | 118 |
| 1987 | 113 |
| 1988 | 107 |
| 1989 | 126 |
| 1990 | 139 |
| 1991 | 145 |
| 1992 | 137 |
| 1993 | 147 |
| 1994 | 138 |
| 1995 | 135 |
| 1996 | 165 |
| 1997 | 153 |
| 1998 | 212 |
| 1999 | 218 |
| 2000 | 262 |
| 2001 | 262 |
| 2002 | 269 |
| 2003 | 254 |
| 2004 | 253 |
| 2005 | 308 |
| 2006 | 273 |
| 2007 | 308 |
| 2008 | 331 |
| 2009 | 356 |
| 2010 | 338 |
| 2011 | 376 |
| 2012 | 390 |
| 2013 | 400 |
| 2014 | 342 |
| 2015 | 377 |
| 2016 | 332 |
| 2017 | 389 |
| 2018 | 397 |
| 2019 | 396 |
| 2020 | 451 |
| 2021 | 486 |
| 2022 | 517 |
| 2023 | 450 |
| 2024 | 454 |
| 2025 | 413 |
| 2026 | 1 |