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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 3 |
| 1956 | 3 |
| 1957 | 3 |
| 1958 | 1 |
| 1959 | 1 |
| 1962 | 2 |
| 1969 | 1 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 3 |
| 1978 | 1 |
| 1979 | 3 |
| 1980 | 4 |
| 1981 | 5 |
| 1982 | 7 |
| 1983 | 6 |
| 1984 | 7 |
| 1985 | 13 |
| 1986 | 20 |
| 1987 | 11 |
| 1988 | 20 |
| 1989 | 16 |
| 1990 | 18 |
| 1991 | 29 |
| 1992 | 29 |
| 1993 | 36 |
| 1994 | 45 |
| 1995 | 63 |
| 1996 | 49 |
| 1997 | 67 |
| 1998 | 72 |
| 1999 | 96 |
| 2000 | 146 |
| 2001 | 142 |
| 2002 | 181 |
| 2003 | 240 |
| 2004 | 314 |
| 2005 | 438 |
| 2006 | 449 |
| 2007 | 536 |
| 2008 | 586 |
| 2009 | 716 |
| 2010 | 803 |
| 2011 | 1004 |
| 2012 | 1190 |
| 2013 | 1416 |
| 2014 | 1578 |
| 2015 | 1710 |
| 2016 | 1920 |
| 2017 | 2131 |
| 2018 | 2549 |
| 2019 | 2843 |
| 2020 | 3332 |
| 2021 | 3924 |
| 2022 | 4340 |
| 2023 | 2018 |