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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 1 |
| 1957 | 1 |
| 1961 | 2 |
| 1963 | 2 |
| 1964 | 2 |
| 1966 | 2 |
| 1967 | 2 |
| 1968 | 2 |
| 1969 | 3 |
| 1970 | 5 |
| 1971 | 8 |
| 1972 | 9 |
| 1973 | 5 |
| 1974 | 6 |
| 1975 | 11 |
| 1976 | 9 |
| 1977 | 16 |
| 1978 | 11 |
| 1979 | 27 |
| 1980 | 33 |
| 1981 | 23 |
| 1982 | 26 |
| 1983 | 17 |
| 1984 | 23 |
| 1985 | 27 |
| 1986 | 33 |
| 1987 | 32 |
| 1988 | 31 |
| 1989 | 50 |
| 1990 | 32 |
| 1991 | 39 |
| 1992 | 48 |
| 1993 | 47 |
| 1994 | 47 |
| 1995 | 66 |
| 1996 | 64 |
| 1997 | 47 |
| 1998 | 51 |
| 1999 | 51 |
| 2000 | 53 |
| 2001 | 58 |
| 2002 | 65 |
| 2003 | 86 |
| 2004 | 93 |
| 2005 | 98 |
| 2006 | 119 |
| 2007 | 107 |
| 2008 | 151 |
| 2009 | 165 |
| 2010 | 184 |
| 2011 | 201 |
| 2012 | 196 |
| 2013 | 171 |
| 2014 | 193 |
| 2015 | 191 |
| 2016 | 212 |
| 2017 | 214 |
| 2018 | 234 |
| 2019 | 242 |
| 2020 | 260 |
| 2021 | 325 |
| 2022 | 301 |
| 2023 | 273 |
| 2024 | 254 |
| 2025 | 1 |