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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 8 |
| 1949 | 2 |
| 1951 | 22 |
| 1952 | 33 |
| 1953 | 24 |
| 1954 | 33 |
| 1955 | 41 |
| 1956 | 29 |
| 1957 | 34 |
| 1958 | 40 |
| 1959 | 34 |
| 1960 | 47 |
| 1961 | 50 |
| 1962 | 21 |
| 1963 | 1 |
| 1964 | 8 |
| 1965 | 35 |
| 1966 | 80 |
| 1967 | 89 |
| 1968 | 97 |
| 1969 | 132 |
| 1970 | 106 |
| 1971 | 95 |
| 1972 | 112 |
| 1973 | 111 |
| 1974 | 128 |
| 1975 | 147 |
| 1976 | 140 |
| 1977 | 108 |
| 1978 | 137 |
| 1979 | 155 |
| 1980 | 143 |
| 1981 | 170 |
| 1982 | 190 |
| 1983 | 183 |
| 1984 | 205 |
| 1985 | 257 |
| 1986 | 214 |
| 1987 | 242 |
| 1988 | 276 |
| 1989 | 280 |
| 1990 | 316 |
| 1991 | 321 |
| 1992 | 353 |
| 1993 | 400 |
| 1994 | 383 |
| 1995 | 400 |
| 1996 | 413 |
| 1997 | 419 |
| 1998 | 439 |
| 1999 | 389 |
| 2000 | 470 |
| 2001 | 431 |
| 2002 | 445 |
| 2003 | 444 |
| 2004 | 438 |
| 2005 | 465 |
| 2006 | 432 |
| 2007 | 462 |
| 2008 | 449 |
| 2009 | 474 |
| 2010 | 465 |
| 2011 | 501 |
| 2012 | 514 |
| 2013 | 494 |
| 2014 | 492 |
| 2015 | 439 |
| 2016 | 383 |
| 2017 | 358 |
| 2018 | 314 |
| 2019 | 350 |
| 2020 | 300 |
| 2021 | 271 |
| 2022 | 238 |
| 2023 | 173 |
| 2024 | 40 |