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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1973 | 1 |
| 1975 | 2 |
| 1977 | 4 |
| 1978 | 7 |
| 1979 | 55 |
| 1980 | 83 |
| 1981 | 84 |
| 1982 | 83 |
| 1983 | 101 |
| 1984 | 96 |
| 1985 | 90 |
| 1986 | 118 |
| 1987 | 140 |
| 1988 | 169 |
| 1989 | 193 |
| 1990 | 272 |
| 1991 | 289 |
| 1992 | 298 |
| 1993 | 344 |
| 1994 | 371 |
| 1995 | 328 |
| 1996 | 419 |
| 1997 | 456 |
| 1998 | 485 |
| 1999 | 623 |
| 2000 | 633 |
| 2001 | 621 |
| 2002 | 703 |
| 2003 | 823 |
| 2004 | 894 |
| 2005 | 978 |
| 2006 | 1076 |
| 2007 | 1114 |
| 2008 | 1232 |
| 2009 | 1338 |
| 2010 | 1353 |
| 2011 | 1485 |
| 2012 | 1690 |
| 2013 | 1797 |
| 2014 | 1812 |
| 2015 | 1949 |
| 2016 | 2040 |
| 2017 | 2359 |
| 2018 | 2742 |
| 2019 | 2384 |
| 2020 | 2176 |
| 2021 | 1257 |
| 2022 | 153 |
| 2023 | 24 |
| 2024 | 63 |