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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1960 | 2 |
| 1961 | 6 |
| 1962 | 7 |
| 1963 | 9 |
| 1964 | 5 |
| 1965 | 8 |
| 1966 | 14 |
| 1967 | 13 |
| 1968 | 18 |
| 1969 | 21 |
| 1970 | 17 |
| 1971 | 23 |
| 1972 | 8 |
| 1973 | 33 |
| 1974 | 23 |
| 1975 | 27 |
| 1976 | 28 |
| 1977 | 32 |
| 1978 | 29 |
| 1979 | 37 |
| 1980 | 43 |
| 1981 | 39 |
| 1982 | 35 |
| 1983 | 52 |
| 1984 | 68 |
| 1985 | 76 |
| 1986 | 68 |
| 1987 | 71 |
| 1988 | 97 |
| 1989 | 91 |
| 1990 | 74 |
| 1991 | 86 |
| 1992 | 101 |
| 1993 | 110 |
| 1994 | 120 |
| 1995 | 104 |
| 1996 | 106 |
| 1997 | 97 |
| 1998 | 121 |
| 1999 | 150 |
| 2000 | 146 |
| 2001 | 160 |
| 2002 | 175 |
| 2003 | 174 |
| 2004 | 209 |
| 2005 | 215 |
| 2006 | 228 |
| 2007 | 233 |
| 2008 | 228 |
| 2009 | 226 |
| 2010 | 221 |
| 2011 | 250 |
| 2012 | 271 |
| 2013 | 271 |
| 2014 | 271 |
| 2015 | 278 |
| 2016 | 289 |
| 2017 | 351 |
| 2018 | 355 |
| 2019 | 314 |
| 2020 | 365 |
| 2021 | 382 |
| 2022 | 360 |
| 2023 | 332 |
| 2024 | 253 |
| 2025 | 1 |