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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 8 |
| 1962 | 1 |
| 1964 | 7 |
| 1965 | 39 |
| 1966 | 59 |
| 1967 | 75 |
| 1968 | 100 |
| 1969 | 99 |
| 1970 | 109 |
| 1971 | 177 |
| 1972 | 130 |
| 1973 | 181 |
| 1974 | 181 |
| 1975 | 188 |
| 1976 | 170 |
| 1977 | 173 |
| 1978 | 167 |
| 1979 | 197 |
| 1980 | 181 |
| 1981 | 215 |
| 1982 | 234 |
| 1983 | 241 |
| 1984 | 240 |
| 1985 | 274 |
| 1986 | 269 |
| 1987 | 243 |
| 1988 | 251 |
| 1989 | 200 |
| 1990 | 178 |
| 1991 | 196 |
| 1992 | 182 |
| 1993 | 188 |
| 1994 | 202 |
| 1995 | 226 |
| 1996 | 185 |
| 1997 | 198 |
| 1998 | 227 |
| 1999 | 215 |
| 2000 | 232 |
| 2001 | 207 |
| 2002 | 202 |
| 2003 | 273 |
| 2004 | 279 |
| 2005 | 288 |
| 2006 | 303 |
| 2007 | 363 |
| 2008 | 330 |
| 2009 | 365 |
| 2010 | 419 |
| 2011 | 458 |
| 2012 | 463 |
| 2013 | 437 |
| 2014 | 529 |
| 2015 | 517 |
| 2016 | 498 |
| 2017 | 457 |
| 2018 | 535 |
| 2019 | 499 |
| 2020 | 538 |
| 2021 | 531 |
| 2022 | 573 |
| 2023 | 527 |
| 2024 | 107 |