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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1954 | 1 |
| 1955 | 1 |
| 1960 | 2 |
| 1965 | 2 |
| 1966 | 12 |
| 1967 | 10 |
| 1968 | 5 |
| 1969 | 14 |
| 1970 | 13 |
| 1971 | 12 |
| 1972 | 12 |
| 1973 | 12 |
| 1974 | 14 |
| 1975 | 25 |
| 1976 | 8 |
| 1977 | 9 |
| 1978 | 20 |
| 1979 | 9 |
| 1980 | 14 |
| 1981 | 12 |
| 1982 | 15 |
| 1983 | 11 |
| 1984 | 7 |
| 1985 | 15 |
| 1986 | 17 |
| 1987 | 27 |
| 1988 | 31 |
| 1989 | 22 |
| 1990 | 31 |
| 1991 | 38 |
| 1992 | 48 |
| 1993 | 65 |
| 1994 | 88 |
| 1995 | 52 |
| 1996 | 68 |
| 1997 | 77 |
| 1998 | 66 |
| 1999 | 77 |
| 2000 | 90 |
| 2001 | 104 |
| 2002 | 101 |
| 2003 | 133 |
| 2004 | 246 |
| 2005 | 299 |
| 2006 | 345 |
| 2007 | 393 |
| 2008 | 338 |
| 2009 | 262 |
| 2010 | 263 |
| 2011 | 248 |
| 2012 | 287 |
| 2013 | 241 |
| 2014 | 261 |
| 2015 | 237 |
| 2016 | 216 |
| 2017 | 246 |
| 2018 | 284 |
| 2019 | 267 |
| 2020 | 306 |
| 2021 | 371 |
| 2022 | 286 |
| 2023 | 263 |
| 2024 | 297 |
| 2025 | 207 |