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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 2 |
| 1960 | 4 |
| 1961 | 2 |
| 1962 | 2 |
| 1963 | 2 |
| 1964 | 5 |
| 1965 | 2 |
| 1966 | 8 |
| 1967 | 4 |
| 1968 | 4 |
| 1969 | 11 |
| 1970 | 23 |
| 1971 | 15 |
| 1972 | 16 |
| 1973 | 20 |
| 1974 | 16 |
| 1975 | 27 |
| 1976 | 24 |
| 1977 | 26 |
| 1978 | 34 |
| 1979 | 39 |
| 1980 | 39 |
| 1981 | 41 |
| 1982 | 30 |
| 1983 | 38 |
| 1984 | 55 |
| 1985 | 55 |
| 1986 | 56 |
| 1987 | 53 |
| 1988 | 67 |
| 1989 | 54 |
| 1990 | 64 |
| 1991 | 59 |
| 1992 | 70 |
| 1993 | 107 |
| 1994 | 101 |
| 1995 | 107 |
| 1996 | 99 |
| 1997 | 115 |
| 1998 | 102 |
| 1999 | 109 |
| 2000 | 112 |
| 2001 | 142 |
| 2002 | 159 |
| 2003 | 158 |
| 2004 | 181 |
| 2005 | 182 |
| 2006 | 243 |
| 2007 | 238 |
| 2008 | 240 |
| 2009 | 247 |
| 2010 | 310 |
| 2011 | 340 |
| 2012 | 337 |
| 2013 | 401 |
| 2014 | 415 |
| 2015 | 445 |
| 2016 | 458 |
| 2017 | 517 |
| 2018 | 493 |
| 2019 | 504 |
| 2020 | 576 |
| 2021 | 584 |
| 2022 | 623 |
| 2023 | 630 |
| 2024 | 535 |
| 2025 | 3 |