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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 11 |
| 1955 | 5 |
| 1956 | 8 |
| 1957 | 9 |
| 1958 | 3 |
| 1959 | 10 |
| 1960 | 11 |
| 1961 | 19 |
| 1962 | 14 |
| 1967 | 2 |
| 1971 | 3 |
| 1974 | 3 |
| 1976 | 3 |
| 1977 | 46 |
| 1978 | 213 |
| 1979 | 268 |
| 1980 | 218 |
| 1981 | 96 |
| 1982 | 147 |
| 1983 | 136 |
| 1984 | 137 |
| 1985 | 174 |
| 1986 | 145 |
| 1987 | 164 |
| 1988 | 146 |
| 1989 | 176 |
| 1990 | 241 |
| 1991 | 362 |
| 1992 | 291 |
| 1993 | 301 |
| 1994 | 389 |
| 1995 | 350 |
| 1996 | 347 |
| 1997 | 360 |
| 1998 | 381 |
| 1999 | 424 |
| 2000 | 542 |
| 2001 | 512 |
| 2002 | 508 |
| 2003 | 672 |
| 2004 | 756 |
| 2005 | 873 |
| 2006 | 1067 |
| 2007 | 1277 |
| 2008 | 1329 |
| 2009 | 1498 |
| 2010 | 1760 |
| 2011 | 2331 |
| 2012 | 2503 |
| 2013 | 2935 |
| 2014 | 3039 |
| 2015 | 3237 |
| 2016 | 3291 |
| 2017 | 3412 |
| 2018 | 3574 |
| 2019 | 3635 |
| 2020 | 2862 |
| 2021 | 1639 |
| 2022 | 2209 |
| 2023 | 1985 |
| 2024 | 1105 |