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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1928 | 1 |
| 1945 | 5 |
| 1946 | 4 |
| 1947 | 10 |
| 1948 | 11 |
| 1949 | 3 |
| 1951 | 3 |
| 1952 | 33 |
| 1953 | 24 |
| 1954 | 26 |
| 1955 | 49 |
| 1956 | 37 |
| 1957 | 33 |
| 1958 | 20 |
| 1959 | 33 |
| 1960 | 28 |
| 1961 | 34 |
| 1962 | 22 |
| 1963 | 2 |
| 1964 | 10 |
| 1965 | 87 |
| 1966 | 107 |
| 1967 | 206 |
| 1968 | 172 |
| 1969 | 200 |
| 1970 | 258 |
| 1971 | 171 |
| 1972 | 241 |
| 1973 | 204 |
| 1974 | 226 |
| 1975 | 185 |
| 1976 | 271 |
| 1977 | 348 |
| 1978 | 327 |
| 1979 | 296 |
| 1980 | 338 |
| 1981 | 299 |
| 1982 | 309 |
| 1983 | 299 |
| 1984 | 326 |
| 1985 | 335 |
| 1986 | 309 |
| 1987 | 322 |
| 1988 | 276 |
| 1989 | 264 |
| 1990 | 219 |
| 1991 | 238 |
| 1992 | 250 |
| 1993 | 262 |
| 1994 | 248 |
| 1995 | 252 |
| 1996 | 280 |
| 1997 | 249 |
| 1998 | 275 |
| 1999 | 716 |
| 2000 | 368 |
| 2001 | 597 |
| 2002 | 445 |
| 2003 | 365 |
| 2004 | 331 |
| 2005 | 324 |
| 2006 | 416 |
| 2007 | 407 |
| 2008 | 433 |
| 2009 | 449 |
| 2010 | 638 |
| 2011 | 783 |
| 2012 | 483 |
| 2013 | 420 |
| 2014 | 451 |
| 2015 | 514 |
| 2016 | 430 |
| 2017 | 357 |
| 2018 | 298 |
| 2019 | 314 |
| 2020 | 383 |
| 2021 | 184 |
| 2022 | 32 |
| 2023 | 34 |
| 2024 | 140 |
| 2025 | 125 |