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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 87 |
| 1964 | 111 |
| 1965 | 144 |
| 1966 | 144 |
| 1967 | 170 |
| 1968 | 220 |
| 1969 | 211 |
| 1970 | 222 |
| 1971 | 227 |
| 1972 | 212 |
| 1973 | 240 |
| 1974 | 218 |
| 1975 | 242 |
| 1976 | 208 |
| 1977 | 202 |
| 1978 | 176 |
| 1979 | 235 |
| 1980 | 211 |
| 1981 | 219 |
| 1982 | 248 |
| 1983 | 263 |
| 1984 | 278 |
| 1985 | 293 |
| 1986 | 320 |
| 1987 | 436 |
| 1988 | 426 |
| 1989 | 423 |
| 1990 | 436 |
| 1991 | 451 |
| 1992 | 458 |
| 1993 | 405 |
| 1994 | 407 |
| 1995 | 348 |
| 1996 | 341 |
| 1997 | 320 |
| 1998 | 274 |
| 1999 | 285 |
| 2000 | 291 |
| 2001 | 309 |
| 2002 | 270 |
| 2003 | 281 |
| 2004 | 257 |
| 2005 | 265 |
| 2006 | 264 |
| 2007 | 242 |
| 2008 | 232 |
| 2009 | 250 |
| 2010 | 218 |
| 2011 | 240 |
| 2012 | 235 |
| 2013 | 258 |
| 2014 | 259 |
| 2015 | 304 |
| 2016 | 275 |
| 2017 | 203 |
| 2018 | 167 |
| 2019 | 157 |
| 2020 | 154 |
| 2021 | 167 |
| 2022 | 131 |
| 2023 | 115 |
| 2024 | 172 |
| 2025 | 353 |
| 2026 | 298 |