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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 2 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 6 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 2 |
| 1961 | 1 |
| 1962 | 1 |
| 1964 | 2 |
| 1965 | 24 |
| 1966 | 38 |
| 1967 | 34 |
| 1968 | 61 |
| 1969 | 60 |
| 1970 | 88 |
| 1971 | 101 |
| 1972 | 89 |
| 1973 | 60 |
| 1974 | 78 |
| 1975 | 110 |
| 1976 | 92 |
| 1977 | 62 |
| 1978 | 63 |
| 1979 | 64 |
| 1980 | 71 |
| 1981 | 63 |
| 1982 | 58 |
| 1983 | 58 |
| 1984 | 49 |
| 1985 | 42 |
| 1986 | 36 |
| 1987 | 35 |
| 1988 | 40 |
| 1989 | 44 |
| 1990 | 49 |
| 1991 | 65 |
| 1992 | 79 |
| 1993 | 53 |
| 1994 | 65 |
| 1995 | 87 |
| 1996 | 145 |
| 1997 | 126 |
| 1998 | 125 |
| 1999 | 136 |
| 2000 | 173 |
| 2001 | 270 |
| 2002 | 295 |
| 2003 | 288 |
| 2004 | 258 |
| 2005 | 248 |
| 2006 | 249 |
| 2007 | 217 |
| 2008 | 219 |
| 2009 | 264 |
| 2010 | 293 |
| 2011 | 334 |
| 2012 | 354 |
| 2013 | 397 |
| 2014 | 356 |
| 2015 | 317 |
| 2016 | 325 |
| 2017 | 309 |
| 2018 | 340 |
| 2019 | 294 |
| 2020 | 225 |
| 2021 | 121 |
| 2022 | 413 |
| 2023 | 413 |
| 2024 | 328 |