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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 3 |
| 1951 | 4 |
| 1952 | 2 |
| 1953 | 4 |
| 1954 | 6 |
| 1955 | 3 |
| 1956 | 10 |
| 1957 | 14 |
| 1958 | 19 |
| 1959 | 18 |
| 1960 | 31 |
| 1961 | 30 |
| 1962 | 23 |
| 1963 | 1 |
| 1964 | 3 |
| 1965 | 81 |
| 1966 | 190 |
| 1967 | 190 |
| 1968 | 297 |
| 1969 | 307 |
| 1970 | 385 |
| 1971 | 418 |
| 1972 | 352 |
| 1973 | 456 |
| 1974 | 439 |
| 1975 | 439 |
| 1976 | 481 |
| 1977 | 478 |
| 1978 | 507 |
| 1979 | 596 |
| 1980 | 680 |
| 1981 | 650 |
| 1982 | 767 |
| 1983 | 857 |
| 1984 | 900 |
| 1985 | 938 |
| 1986 | 946 |
| 1987 | 819 |
| 1988 | 921 |
| 1989 | 1025 |
| 1990 | 994 |
| 1991 | 1071 |
| 1992 | 1107 |
| 1993 | 1132 |
| 1994 | 1126 |
| 1995 | 1266 |
| 1996 | 1307 |
| 1997 | 1229 |
| 1998 | 1421 |
| 1999 | 1439 |
| 2000 | 1454 |
| 2001 | 1512 |
| 2002 | 1444 |
| 2003 | 1595 |
| 2004 | 1638 |
| 2005 | 1822 |
| 2006 | 1825 |
| 2007 | 1874 |
| 2008 | 2087 |
| 2009 | 2197 |
| 2010 | 2248 |
| 2011 | 2409 |
| 2012 | 2599 |
| 2013 | 2624 |
| 2014 | 2721 |
| 2015 | 2750 |
| 2016 | 2711 |
| 2017 | 2677 |
| 2018 | 2595 |
| 2019 | 2730 |
| 2020 | 2632 |
| 2021 | 2448 |
| 2022 | 1726 |
| 2023 | 1636 |
| 2024 | 2168 |
| 2025 | 1382 |