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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 2 |
| 1946 | 6 |
| 1947 | 3 |
| 1948 | 4 |
| 1949 | 5 |
| 1951 | 1 |
| 1952 | 18 |
| 1953 | 23 |
| 1954 | 11 |
| 1955 | 19 |
| 1956 | 12 |
| 1957 | 27 |
| 1958 | 17 |
| 1959 | 17 |
| 1960 | 12 |
| 1961 | 14 |
| 1962 | 11 |
| 1963 | 1 |
| 1964 | 4 |
| 1965 | 30 |
| 1966 | 45 |
| 1967 | 117 |
| 1968 | 173 |
| 1969 | 228 |
| 1970 | 263 |
| 1971 | 336 |
| 1972 | 403 |
| 1973 | 439 |
| 1974 | 528 |
| 1975 | 479 |
| 1976 | 447 |
| 1977 | 417 |
| 1978 | 422 |
| 1979 | 499 |
| 1980 | 503 |
| 1981 | 541 |
| 1982 | 574 |
| 1983 | 616 |
| 1984 | 703 |
| 1985 | 703 |
| 1986 | 724 |
| 1987 | 724 |
| 1988 | 744 |
| 1989 | 748 |
| 1990 | 746 |
| 1991 | 686 |
| 1992 | 621 |
| 1993 | 697 |
| 1994 | 579 |
| 1995 | 534 |
| 1996 | 498 |
| 1997 | 428 |
| 1998 | 431 |
| 1999 | 389 |
| 2000 | 392 |
| 2001 | 361 |
| 2002 | 285 |
| 2003 | 236 |
| 2004 | 216 |
| 2005 | 229 |
| 2006 | 251 |
| 2007 | 203 |
| 2008 | 207 |
| 2009 | 184 |
| 2010 | 188 |
| 2011 | 171 |
| 2012 | 167 |
| 2013 | 136 |
| 2014 | 133 |
| 2015 | 115 |
| 2016 | 123 |
| 2017 | 103 |
| 2018 | 91 |
| 2019 | 90 |
| 2020 | 67 |
| 2021 | 52 |
| 2022 | 35 |
| 2023 | 39 |
| 2024 | 53 |
| 2025 | 39 |
| 2026 | 33 |