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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 22 |
| 1959 | 126 |
| 1960 | 77 |
| 1961 | 85 |
| 1962 | 196 |
| 1963 | 248 |
| 1964 | 52 |
| 1979 | 151 |
| 1980 | 206 |
| 1981 | 215 |
| 1982 | 223 |
| 1983 | 249 |
| 1984 | 240 |
| 1985 | 354 |
| 1986 | 364 |
| 1987 | 307 |
| 1988 | 333 |
| 1989 | 308 |
| 1990 | 304 |
| 1991 | 276 |
| 1992 | 313 |
| 1993 | 324 |
| 1994 | 347 |
| 1995 | 332 |
| 1996 | 333 |
| 1997 | 300 |
| 1998 | 290 |
| 1999 | 337 |
| 2000 | 341 |
| 2001 | 138 |
| 2002 | 313 |
| 2003 | 311 |
| 2004 | 420 |
| 2005 | 877 |
| 2006 | 871 |
| 2007 | 929 |
| 2008 | 875 |
| 2009 | 940 |
| 2010 | 930 |
| 2011 | 778 |
| 2012 | 893 |
| 2013 | 800 |
| 2014 | 733 |
| 2015 | 782 |
| 2016 | 729 |
| 2017 | 645 |
| 2018 | 589 |
| 2019 | 543 |
| 2020 | 635 |
| 2021 | 594 |
| 2022 | 600 |
| 2023 | 555 |
| 2024 | 188 |