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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1954 | 5 |
| 1955 | 2 |
| 1956 | 2 |
| 1957 | 2 |
| 1958 | 4 |
| 1959 | 3 |
| 1960 | 10 |
| 1961 | 15 |
| 1962 | 10 |
| 1963 | 26 |
| 1964 | 20 |
| 1965 | 32 |
| 1966 | 31 |
| 1967 | 29 |
| 1968 | 25 |
| 1969 | 30 |
| 1970 | 34 |
| 1971 | 51 |
| 1972 | 34 |
| 1973 | 19 |
| 1974 | 46 |
| 1975 | 18 |
| 1976 | 40 |
| 1977 | 49 |
| 1978 | 46 |
| 1979 | 62 |
| 1980 | 59 |
| 1981 | 82 |
| 1982 | 81 |
| 1983 | 100 |
| 1984 | 109 |
| 1985 | 93 |
| 1986 | 114 |
| 1987 | 105 |
| 1988 | 150 |
| 1989 | 122 |
| 1990 | 132 |
| 1991 | 153 |
| 1992 | 161 |
| 1993 | 157 |
| 1994 | 183 |
| 1995 | 190 |
| 1996 | 149 |
| 1997 | 213 |
| 1998 | 207 |
| 1999 | 199 |
| 2000 | 191 |
| 2001 | 193 |
| 2002 | 223 |
| 2003 | 214 |
| 2004 | 210 |
| 2005 | 229 |
| 2006 | 226 |
| 2007 | 221 |
| 2008 | 245 |
| 2009 | 254 |
| 2010 | 277 |
| 2011 | 297 |
| 2012 | 353 |
| 2013 | 361 |
| 2014 | 358 |
| 2015 | 330 |
| 2016 | 382 |
| 2017 | 366 |
| 2018 | 398 |
| 2019 | 453 |
| 2020 | 520 |
| 2021 | 585 |
| 2022 | 564 |
| 2023 | 538 |
| 2024 | 455 |