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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 3 |
| 1966 | 37 |
| 1967 | 107 |
| 1968 | 88 |
| 1969 | 113 |
| 1970 | 127 |
| 1971 | 116 |
| 1972 | 131 |
| 1973 | 149 |
| 1974 | 169 |
| 1975 | 121 |
| 1976 | 132 |
| 1977 | 143 |
| 1978 | 161 |
| 1979 | 150 |
| 1980 | 155 |
| 1981 | 174 |
| 1982 | 182 |
| 1983 | 177 |
| 1984 | 199 |
| 1985 | 185 |
| 1986 | 172 |
| 1987 | 176 |
| 1988 | 182 |
| 1989 | 184 |
| 1990 | 193 |
| 1991 | 205 |
| 1992 | 229 |
| 1993 | 205 |
| 1994 | 205 |
| 1995 | 217 |
| 1996 | 237 |
| 1997 | 235 |
| 1998 | 248 |
| 1999 | 216 |
| 2000 | 271 |
| 2001 | 277 |
| 2002 | 285 |
| 2003 | 315 |
| 2004 | 353 |
| 2005 | 344 |
| 2006 | 435 |
| 2007 | 448 |
| 2008 | 452 |
| 2009 | 523 |
| 2010 | 554 |
| 2011 | 618 |
| 2012 | 577 |
| 2013 | 613 |
| 2014 | 557 |
| 2015 | 645 |
| 2016 | 754 |
| 2017 | 786 |
| 2018 | 762 |
| 2019 | 752 |
| 2020 | 766 |
| 2021 | 605 |
| 2022 | 495 |
| 2023 | 412 |
| 2024 | 131 |