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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 4 |
| 1948 | 1 |
| 1951 | 2 |
| 1952 | 1 |
| 1954 | 1 |
| 1955 | 2 |
| 1957 | 3 |
| 1958 | 2 |
| 1959 | 6 |
| 1960 | 4 |
| 1961 | 3 |
| 1962 | 12 |
| 1963 | 4 |
| 1964 | 8 |
| 1965 | 5 |
| 1967 | 3 |
| 1968 | 2 |
| 1970 | 1 |
| 1973 | 3 |
| 1974 | 2 |
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 2 |
| 1978 | 4 |
| 1979 | 6 |
| 1980 | 2 |
| 1981 | 7 |
| 1982 | 12 |
| 1983 | 11 |
| 1984 | 15 |
| 1985 | 18 |
| 1986 | 30 |
| 1987 | 72 |
| 1988 | 314 |
| 1989 | 796 |
| 1990 | 932 |
| 1991 | 1234 |
| 1992 | 1458 |
| 1993 | 1821 |
| 1994 | 2118 |
| 1995 | 2466 |
| 1996 | 2885 |
| 1997 | 3490 |
| 1998 | 3776 |
| 1999 | 3978 |
| 2000 | 4396 |
| 2001 | 4590 |
| 2002 | 5318 |
| 2003 | 6023 |
| 2004 | 7091 |
| 2005 | 8743 |
| 2006 | 9287 |
| 2007 | 10355 |
| 2008 | 11402 |
| 2009 | 12864 |
| 2010 | 14717 |
| 2011 | 16389 |
| 2012 | 18496 |
| 2013 | 19628 |
| 2014 | 20470 |
| 2015 | 22242 |
| 2016 | 24006 |
| 2017 | 25768 |
| 2018 | 25571 |
| 2019 | 26616 |
| 2020 | 26279 |
| 2021 | 24731 |
| 2022 | 20169 |
| 2023 | 16679 |
| 2024 | 22125 |
| 2025 | 14771 |