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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 3 |
| 1948 | 1 |
| 1951 | 3 |
| 1952 | 5 |
| 1953 | 13 |
| 1954 | 17 |
| 1955 | 32 |
| 1956 | 35 |
| 1957 | 35 |
| 1958 | 41 |
| 1959 | 17 |
| 1964 | 2 |
| 1965 | 57 |
| 1966 | 101 |
| 1967 | 104 |
| 1968 | 128 |
| 1969 | 165 |
| 1970 | 197 |
| 1971 | 254 |
| 1972 | 251 |
| 1973 | 332 |
| 1974 | 370 |
| 1975 | 358 |
| 1976 | 383 |
| 1977 | 343 |
| 1978 | 362 |
| 1979 | 405 |
| 1980 | 433 |
| 1981 | 451 |
| 1982 | 383 |
| 1983 | 428 |
| 1984 | 404 |
| 1985 | 420 |
| 1986 | 419 |
| 1987 | 384 |
| 1988 | 401 |
| 1989 | 409 |
| 1990 | 441 |
| 1991 | 466 |
| 1992 | 468 |
| 1993 | 515 |
| 1994 | 535 |
| 1995 | 519 |
| 1996 | 568 |
| 1997 | 542 |
| 1998 | 617 |
| 1999 | 637 |
| 2000 | 672 |
| 2001 | 673 |
| 2002 | 753 |
| 2003 | 912 |
| 2004 | 900 |
| 2005 | 904 |
| 2006 | 1013 |
| 2007 | 979 |
| 2008 | 1063 |
| 2009 | 1115 |
| 2010 | 1104 |
| 2011 | 1080 |
| 2012 | 1182 |
| 2013 | 1178 |
| 2014 | 1172 |
| 2015 | 1201 |
| 2016 | 1104 |
| 2017 | 958 |
| 2018 | 931 |
| 2019 | 988 |
| 2020 | 1013 |
| 2021 | 882 |
| 2022 | 820 |
| 2023 | 724 |
| 2024 | 717 |
| 2025 | 141 |