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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 2 |
| 1961 | 1 |
| 1962 | 3 |
| 1963 | 5 |
| 1964 | 5 |
| 1965 | 4 |
| 1966 | 3 |
| 1967 | 6 |
| 1968 | 9 |
| 1969 | 3 |
| 1970 | 4 |
| 1971 | 6 |
| 1972 | 9 |
| 1973 | 20 |
| 1974 | 16 |
| 1975 | 17 |
| 1976 | 17 |
| 1977 | 19 |
| 1978 | 26 |
| 1979 | 19 |
| 1980 | 19 |
| 1981 | 15 |
| 1982 | 24 |
| 1983 | 26 |
| 1984 | 23 |
| 1985 | 25 |
| 1986 | 29 |
| 1987 | 27 |
| 1988 | 41 |
| 1989 | 31 |
| 1990 | 33 |
| 1991 | 43 |
| 1992 | 42 |
| 1993 | 59 |
| 1994 | 51 |
| 1995 | 70 |
| 1996 | 83 |
| 1997 | 69 |
| 1998 | 86 |
| 1999 | 78 |
| 2000 | 95 |
| 2001 | 82 |
| 2002 | 101 |
| 2003 | 131 |
| 2004 | 176 |
| 2005 | 214 |
| 2006 | 244 |
| 2007 | 203 |
| 2008 | 202 |
| 2009 | 210 |
| 2010 | 261 |
| 2011 | 300 |
| 2012 | 285 |
| 2013 | 288 |
| 2014 | 293 |
| 2015 | 283 |
| 2016 | 307 |
| 2017 | 316 |
| 2018 | 331 |
| 2019 | 342 |
| 2020 | 411 |
| 2021 | 457 |
| 2022 | 469 |
| 2023 | 468 |
| 2024 | 459 |
| 2025 | 2 |