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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1955 | 2 |
| 1958 | 2 |
| 1959 | 1 |
| 1966 | 12 |
| 1967 | 29 |
| 1968 | 44 |
| 1969 | 34 |
| 1970 | 35 |
| 1971 | 28 |
| 1972 | 19 |
| 1973 | 32 |
| 1974 | 23 |
| 1975 | 25 |
| 1976 | 23 |
| 1977 | 33 |
| 1978 | 27 |
| 1979 | 48 |
| 1980 | 42 |
| 1981 | 59 |
| 1982 | 46 |
| 1983 | 79 |
| 1984 | 61 |
| 1985 | 66 |
| 1986 | 56 |
| 1987 | 90 |
| 1988 | 88 |
| 1989 | 93 |
| 1990 | 109 |
| 1991 | 123 |
| 1992 | 148 |
| 1993 | 135 |
| 1994 | 143 |
| 1995 | 137 |
| 1996 | 145 |
| 1997 | 134 |
| 1998 | 180 |
| 1999 | 141 |
| 2000 | 170 |
| 2001 | 169 |
| 2002 | 237 |
| 2003 | 230 |
| 2004 | 249 |
| 2005 | 249 |
| 2006 | 253 |
| 2007 | 299 |
| 2008 | 295 |
| 2009 | 354 |
| 2010 | 319 |
| 2011 | 306 |
| 2012 | 348 |
| 2013 | 344 |
| 2014 | 372 |
| 2015 | 388 |
| 2016 | 405 |
| 2017 | 366 |
| 2018 | 336 |
| 2019 | 408 |
| 2020 | 333 |
| 2021 | 209 |
| 2022 | 32 |
| 2023 | 22 |
| 2024 | 75 |