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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 5 |
| 1958 | 18 |
| 1959 | 20 |
| 1960 | 28 |
| 1961 | 45 |
| 1962 | 47 |
| 1963 | 19 |
| 1964 | 42 |
| 1965 | 82 |
| 1966 | 250 |
| 1967 | 33 |
| 1968 | 48 |
| 1969 | 97 |
| 1970 | 28 |
| 1971 | 53 |
| 1972 | 48 |
| 1973 | 54 |
| 1974 | 61 |
| 1975 | 89 |
| 1976 | 61 |
| 1977 | 86 |
| 1978 | 172 |
| 1979 | 94 |
| 1980 | 99 |
| 1981 | 109 |
| 1982 | 177 |
| 1983 | 107 |
| 1984 | 148 |
| 1985 | 197 |
| 1986 | 149 |
| 1987 | 167 |
| 1988 | 173 |
| 1989 | 180 |
| 1990 | 177 |
| 1991 | 179 |
| 1992 | 173 |
| 1993 | 176 |
| 1994 | 177 |
| 1995 | 302 |
| 1996 | 297 |
| 1997 | 446 |
| 1998 | 238 |
| 1999 | 208 |
| 2000 | 219 |
| 2001 | 236 |
| 2002 | 238 |
| 2003 | 236 |
| 2004 | 246 |
| 2005 | 308 |
| 2006 | 306 |
| 2007 | 311 |
| 2008 | 330 |
| 2009 | 339 |
| 2010 | 233 |
| 2011 | 247 |
| 2012 | 256 |
| 2013 | 236 |
| 2014 | 220 |
| 2015 | 228 |
| 2016 | 200 |
| 2017 | 211 |
| 2018 | 279 |
| 2019 | 284 |
| 2020 | 283 |
| 2021 | 257 |
| 2022 | 197 |
| 2023 | 214 |
| 2024 | 110 |