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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1949 | 1 |
| 1951 | 8 |
| 1952 | 39 |
| 1953 | 34 |
| 1954 | 33 |
| 1955 | 36 |
| 1956 | 46 |
| 1957 | 31 |
| 1958 | 27 |
| 1959 | 18 |
| 1980 | 3 |
| 1981 | 6 |
| 1982 | 25 |
| 1983 | 24 |
| 1984 | 25 |
| 1985 | 48 |
| 1986 | 33 |
| 1987 | 68 |
| 1988 | 154 |
| 1989 | 206 |
| 1990 | 192 |
| 1991 | 245 |
| 1992 | 293 |
| 1993 | 301 |
| 1994 | 325 |
| 1995 | 387 |
| 1996 | 364 |
| 1997 | 404 |
| 1998 | 400 |
| 1999 | 371 |
| 2000 | 337 |
| 2001 | 281 |
| 2002 | 283 |
| 2003 | 295 |
| 2004 | 295 |
| 2005 | 330 |
| 2006 | 420 |
| 2007 | 536 |
| 2008 | 833 |
| 2009 | 1194 |
| 2010 | 1570 |
| 2011 | 2058 |
| 2012 | 1944 |
| 2013 | 2272 |
| 2014 | 2218 |
| 2015 | 2270 |
| 2016 | 2354 |
| 2017 | 2311 |
| 2018 | 2328 |
| 2019 | 2505 |
| 2020 | 2212 |
| 2021 | 1002 |
| 2022 | 103 |
| 2023 | 18 |
| 2024 | 8 |