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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 2 |
| 1949 | 1 |
| 1951 | 1 |
| 1952 | 8 |
| 1953 | 9 |
| 1954 | 9 |
| 1955 | 8 |
| 1956 | 15 |
| 1957 | 17 |
| 1958 | 9 |
| 1959 | 16 |
| 1960 | 13 |
| 1961 | 15 |
| 1962 | 18 |
| 1964 | 3 |
| 1965 | 49 |
| 1966 | 95 |
| 1967 | 144 |
| 1968 | 205 |
| 1969 | 186 |
| 1970 | 176 |
| 1971 | 202 |
| 1972 | 233 |
| 1973 | 225 |
| 1974 | 265 |
| 1975 | 235 |
| 1976 | 230 |
| 1977 | 234 |
| 1978 | 246 |
| 1979 | 281 |
| 1980 | 247 |
| 1981 | 275 |
| 1982 | 319 |
| 1983 | 278 |
| 1984 | 302 |
| 1985 | 322 |
| 1986 | 303 |
| 1987 | 313 |
| 1988 | 348 |
| 1989 | 361 |
| 1990 | 338 |
| 1991 | 353 |
| 1992 | 376 |
| 1993 | 402 |
| 1994 | 377 |
| 1995 | 413 |
| 1996 | 428 |
| 1997 | 523 |
| 1998 | 560 |
| 1999 | 581 |
| 2000 | 601 |
| 2001 | 725 |
| 2002 | 726 |
| 2003 | 830 |
| 2004 | 1056 |
| 2005 | 1254 |
| 2006 | 1465 |
| 2007 | 1633 |
| 2008 | 1929 |
| 2009 | 2236 |
| 2010 | 2488 |
| 2011 | 2732 |
| 2012 | 3101 |
| 2013 | 3678 |
| 2014 | 3572 |
| 2015 | 3610 |
| 2016 | 3500 |
| 2017 | 3500 |
| 2018 | 3457 |
| 2019 | 3303 |
| 2020 | 3180 |
| 2021 | 2522 |
| 2022 | 2239 |
| 2023 | 1982 |
| 2024 | 1161 |