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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 81 |
| 1954 | 89 |
| 1955 | 100 |
| 1956 | 120 |
| 1957 | 122 |
| 1958 | 117 |
| 1959 | 140 |
| 1960 | 139 |
| 1961 | 146 |
| 1962 | 221 |
| 1963 | 113 |
| 1964 | 165 |
| 1965 | 111 |
| 1966 | 151 |
| 1967 | 175 |
| 1968 | 140 |
| 1969 | 163 |
| 1970 | 209 |
| 1971 | 169 |
| 1972 | 177 |
| 1973 | 186 |
| 1974 | 213 |
| 1975 | 216 |
| 1976 | 247 |
| 1977 | 245 |
| 1978 | 230 |
| 1979 | 206 |
| 1980 | 251 |
| 1981 | 279 |
| 1982 | 188 |
| 1983 | 199 |
| 1984 | 172 |
| 1985 | 193 |
| 1986 | 172 |
| 1987 | 257 |
| 1988 | 251 |
| 1989 | 306 |
| 1990 | 342 |
| 1991 | 354 |
| 1992 | 303 |
| 1993 | 273 |
| 1994 | 266 |
| 1995 | 284 |
| 1996 | 272 |
| 1997 | 242 |
| 1998 | 304 |
| 1999 | 345 |
| 2000 | 440 |
| 2001 | 431 |
| 2002 | 412 |
| 2003 | 460 |
| 2004 | 448 |
| 2005 | 424 |
| 2006 | 477 |
| 2007 | 473 |
| 2008 | 479 |
| 2009 | 410 |
| 2010 | 427 |
| 2011 | 375 |
| 2012 | 441 |
| 2013 | 426 |
| 2014 | 412 |
| 2015 | 417 |
| 2016 | 422 |
| 2017 | 493 |
| 2018 | 462 |
| 2019 | 488 |
| 2020 | 527 |
| 2021 | 524 |
| 2022 | 436 |
| 2023 | 384 |
| 2024 | 366 |
| 2025 | 377 |
| 2026 | 297 |