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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1949 | 2 |
| 1950 | 3 |
| 1951 | 10 |
| 1952 | 8 |
| 1953 | 26 |
| 1954 | 23 |
| 1955 | 42 |
| 1956 | 48 |
| 1957 | 67 |
| 1958 | 64 |
| 1959 | 61 |
| 1960 | 52 |
| 1961 | 62 |
| 1962 | 52 |
| 1963 | 90 |
| 1964 | 115 |
| 1965 | 91 |
| 1966 | 133 |
| 1967 | 155 |
| 1968 | 261 |
| 1969 | 330 |
| 1970 | 392 |
| 1971 | 443 |
| 1972 | 502 |
| 1973 | 536 |
| 1974 | 676 |
| 1975 | 676 |
| 1976 | 774 |
| 1977 | 769 |
| 1978 | 763 |
| 1979 | 780 |
| 1980 | 822 |
| 1981 | 758 |
| 1982 | 761 |
| 1983 | 678 |
| 1984 | 736 |
| 1985 | 683 |
| 1986 | 692 |
| 1987 | 636 |
| 1988 | 638 |
| 1989 | 548 |
| 1990 | 571 |
| 1991 | 525 |
| 1992 | 487 |
| 1993 | 486 |
| 1994 | 450 |
| 1995 | 457 |
| 1996 | 426 |
| 1997 | 419 |
| 1998 | 410 |
| 1999 | 361 |
| 2000 | 352 |
| 2001 | 366 |
| 2002 | 400 |
| 2003 | 355 |
| 2004 | 419 |
| 2005 | 373 |
| 2006 | 281 |
| 2007 | 253 |
| 2008 | 256 |
| 2009 | 237 |
| 2010 | 264 |
| 2011 | 263 |
| 2012 | 253 |
| 2013 | 296 |
| 2014 | 322 |
| 2015 | 315 |
| 2016 | 324 |
| 2017 | 312 |
| 2018 | 300 |
| 2019 | 254 |
| 2020 | 284 |
| 2021 | 276 |
| 2022 | 326 |
| 2023 | 299 |
| 2024 | 240 |
| 2025 | 97 |