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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 1 |
| 1957 | 2 |
| 1958 | 3 |
| 1959 | 3 |
| 1961 | 3 |
| 1962 | 1 |
| 1964 | 3 |
| 1968 | 1 |
| 1969 | 2 |
| 1970 | 2 |
| 1971 | 3 |
| 1972 | 2 |
| 1973 | 2 |
| 1974 | 2 |
| 1975 | 8 |
| 1976 | 2 |
| 1977 | 2 |
| 1979 | 3 |
| 1980 | 3 |
| 1981 | 4 |
| 1982 | 5 |
| 1983 | 4 |
| 1984 | 6 |
| 1985 | 19 |
| 1986 | 24 |
| 1987 | 24 |
| 1988 | 43 |
| 1989 | 43 |
| 1990 | 36 |
| 1991 | 37 |
| 1992 | 39 |
| 1993 | 36 |
| 1994 | 39 |
| 1995 | 37 |
| 1996 | 48 |
| 1997 | 53 |
| 1998 | 53 |
| 1999 | 29 |
| 2000 | 62 |
| 2001 | 70 |
| 2002 | 100 |
| 2003 | 69 |
| 2004 | 123 |
| 2005 | 139 |
| 2006 | 156 |
| 2007 | 205 |
| 2008 | 205 |
| 2009 | 217 |
| 2010 | 275 |
| 2011 | 321 |
| 2012 | 340 |
| 2013 | 336 |
| 2014 | 359 |
| 2015 | 379 |
| 2016 | 380 |
| 2017 | 361 |
| 2018 | 351 |
| 2019 | 364 |
| 2020 | 408 |
| 2021 | 573 |
| 2022 | 587 |
| 2023 | 503 |
| 2024 | 528 |
| 2025 | 155 |