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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1963 | 5 |
| 1964 | 14 |
| 1965 | 76 |
| 1966 | 154 |
| 1967 | 175 |
| 1968 | 200 |
| 1969 | 236 |
| 1970 | 224 |
| 1971 | 184 |
| 1972 | 181 |
| 1973 | 222 |
| 1974 | 262 |
| 1975 | 274 |
| 1976 | 275 |
| 1977 | 222 |
| 1978 | 242 |
| 1979 | 257 |
| 1980 | 232 |
| 1981 | 234 |
| 1982 | 201 |
| 1983 | 202 |
| 1984 | 206 |
| 1985 | 178 |
| 1986 | 167 |
| 1987 | 155 |
| 1988 | 187 |
| 1989 | 205 |
| 1990 | 239 |
| 1991 | 278 |
| 1992 | 300 |
| 1993 | 293 |
| 1994 | 294 |
| 1995 | 341 |
| 1996 | 325 |
| 1997 | 328 |
| 1998 | 348 |
| 1999 | 387 |
| 2000 | 396 |
| 2001 | 477 |
| 2002 | 493 |
| 2003 | 592 |
| 2004 | 591 |
| 2005 | 670 |
| 2006 | 708 |
| 2007 | 751 |
| 2008 | 883 |
| 2009 | 875 |
| 2010 | 904 |
| 2011 | 1061 |
| 2012 | 1107 |
| 2013 | 1107 |
| 2014 | 1115 |
| 2015 | 1095 |
| 2016 | 1087 |
| 2017 | 1125 |
| 2018 | 1164 |
| 2019 | 1111 |
| 2020 | 758 |
| 2021 | 407 |
| 2022 | 81 |
| 2023 | 27 |
| 2024 | 3 |