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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 20 |
| 1962 | 83 |
| 1963 | 121 |
| 1964 | 99 |
| 1965 | 140 |
| 1966 | 96 |
| 1967 | 63 |
| 1968 | 146 |
| 1969 | 120 |
| 1970 | 113 |
| 1971 | 147 |
| 1972 | 172 |
| 1973 | 156 |
| 1974 | 149 |
| 1975 | 136 |
| 1976 | 160 |
| 1977 | 168 |
| 1978 | 209 |
| 1979 | 158 |
| 1980 | 92 |
| 1981 | 168 |
| 1982 | 248 |
| 1983 | 206 |
| 1984 | 249 |
| 1985 | 250 |
| 1986 | 314 |
| 1987 | 327 |
| 1988 | 267 |
| 1989 | 319 |
| 1990 | 415 |
| 1991 | 322 |
| 1992 | 386 |
| 1993 | 358 |
| 1994 | 410 |
| 1995 | 336 |
| 1996 | 301 |
| 1997 | 89 |
| 1998 | 279 |
| 1999 | 369 |
| 2000 | 358 |
| 2001 | 345 |
| 2002 | 358 |
| 2003 | 334 |
| 2004 | 262 |
| 2005 | 220 |
| 2006 | 234 |
| 2007 | 225 |
| 2008 | 211 |
| 2009 | 143 |
| 2010 | 212 |
| 2011 | 238 |
| 2012 | 263 |
| 2013 | 285 |
| 2014 | 314 |
| 2015 | 411 |
| 2016 | 323 |
| 2017 | 288 |
| 2018 | 313 |
| 2019 | 294 |
| 2020 | 692 |
| 2021 | 245 |
| 2022 | 522 |
| 2023 | 258 |
| 2024 | 319 |
| 2025 | 192 |