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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1928 | 1 |
| 1948 | 4 |
| 1949 | 1 |
| 1950 | 1 |
| 1951 | 1 |
| 1952 | 1 |
| 1954 | 4 |
| 1955 | 8 |
| 1956 | 3 |
| 1957 | 8 |
| 1958 | 4 |
| 1959 | 10 |
| 1960 | 9 |
| 1961 | 12 |
| 1962 | 22 |
| 1963 | 20 |
| 1964 | 32 |
| 1965 | 16 |
| 1966 | 26 |
| 1967 | 33 |
| 1968 | 44 |
| 1969 | 45 |
| 1970 | 46 |
| 1971 | 49 |
| 1972 | 31 |
| 1973 | 32 |
| 1974 | 46 |
| 1975 | 57 |
| 1976 | 70 |
| 1977 | 74 |
| 1978 | 93 |
| 1979 | 99 |
| 1980 | 101 |
| 1981 | 115 |
| 1982 | 107 |
| 1983 | 139 |
| 1984 | 114 |
| 1985 | 144 |
| 1986 | 152 |
| 1987 | 138 |
| 1988 | 159 |
| 1989 | 193 |
| 1990 | 192 |
| 1991 | 160 |
| 1992 | 189 |
| 1993 | 183 |
| 1994 | 216 |
| 1995 | 189 |
| 1996 | 210 |
| 1997 | 219 |
| 1998 | 225 |
| 1999 | 243 |
| 2000 | 289 |
| 2001 | 257 |
| 2002 | 296 |
| 2003 | 314 |
| 2004 | 295 |
| 2005 | 306 |
| 2006 | 321 |
| 2007 | 344 |
| 2008 | 336 |
| 2009 | 338 |
| 2010 | 350 |
| 2011 | 419 |
| 2012 | 435 |
| 2013 | 493 |
| 2014 | 491 |
| 2015 | 520 |
| 2016 | 557 |
| 2017 | 591 |
| 2018 | 578 |
| 2019 | 619 |
| 2020 | 703 |
| 2021 | 671 |
| 2022 | 634 |
| 2023 | 545 |
| 2024 | 545 |
| 2025 | 230 |