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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 2 |
| 1953 | 5 |
| 1954 | 7 |
| 1955 | 20 |
| 1956 | 31 |
| 1957 | 24 |
| 1958 | 54 |
| 1959 | 46 |
| 1960 | 28 |
| 1961 | 65 |
| 1962 | 29 |
| 1964 | 2 |
| 1965 | 47 |
| 1966 | 88 |
| 1967 | 88 |
| 1968 | 94 |
| 1969 | 94 |
| 1970 | 113 |
| 1971 | 107 |
| 1972 | 142 |
| 1973 | 132 |
| 1974 | 179 |
| 1975 | 195 |
| 1976 | 180 |
| 1977 | 199 |
| 1978 | 192 |
| 1979 | 173 |
| 1980 | 185 |
| 1981 | 191 |
| 1982 | 229 |
| 1983 | 257 |
| 1984 | 264 |
| 1985 | 226 |
| 1986 | 257 |
| 1987 | 236 |
| 1988 | 274 |
| 1989 | 243 |
| 1990 | 256 |
| 1991 | 232 |
| 1992 | 270 |
| 1993 | 253 |
| 1994 | 256 |
| 1995 | 309 |
| 1996 | 258 |
| 1997 | 241 |
| 1998 | 238 |
| 1999 | 245 |
| 2000 | 232 |
| 2001 | 249 |
| 2002 | 242 |
| 2003 | 227 |
| 2004 | 292 |
| 2005 | 339 |
| 2006 | 306 |
| 2007 | 349 |
| 2008 | 359 |
| 2009 | 361 |
| 2010 | 404 |
| 2011 | 459 |
| 2012 | 427 |
| 2013 | 399 |
| 2014 | 470 |
| 2015 | 477 |
| 2016 | 506 |
| 2017 | 427 |
| 2018 | 400 |
| 2019 | 457 |
| 2020 | 380 |
| 2021 | 363 |
| 2022 | 68 |
| 2023 | 14 |
| 2024 | 5 |