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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1949 | 1 |
| 1958 | 1 |
| 1962 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1972 | 2 |
| 1974 | 2 |
| 1975 | 29 |
| 1976 | 22 |
| 1977 | 41 |
| 1978 | 25 |
| 1979 | 33 |
| 1980 | 35 |
| 1981 | 50 |
| 1982 | 50 |
| 1983 | 61 |
| 1984 | 71 |
| 1985 | 72 |
| 1986 | 99 |
| 1987 | 97 |
| 1988 | 130 |
| 1989 | 144 |
| 1990 | 161 |
| 1991 | 210 |
| 1992 | 236 |
| 1993 | 237 |
| 1994 | 265 |
| 1995 | 301 |
| 1996 | 394 |
| 1997 | 425 |
| 1998 | 557 |
| 1999 | 689 |
| 2000 | 813 |
| 2001 | 916 |
| 2002 | 990 |
| 2003 | 1145 |
| 2004 | 1411 |
| 2005 | 1670 |
| 2006 | 1764 |
| 2007 | 2036 |
| 2008 | 2198 |
| 2009 | 2436 |
| 2010 | 2887 |
| 2011 | 3251 |
| 2012 | 3296 |
| 2013 | 3547 |
| 2014 | 4277 |
| 2015 | 4244 |
| 2016 | 2508 |
| 2017 | 1634 |
| 2018 | 2562 |
| 2019 | 2756 |
| 2020 | 2844 |
| 2021 | 3217 |
| 2022 | 2832 |
| 2023 | 2319 |
| 2024 | 200 |