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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 2 |
| 1958 | 6 |
| 1959 | 6 |
| 1960 | 2 |
| 1961 | 4 |
| 1962 | 4 |
| 1964 | 1 |
| 1965 | 7 |
| 1966 | 12 |
| 1967 | 31 |
| 1968 | 19 |
| 1971 | 1 |
| 1974 | 1 |
| 1977 | 1 |
| 1980 | 2 |
| 1986 | 1 |
| 1987 | 3 |
| 1988 | 1 |
| 1989 | 64 |
| 1990 | 126 |
| 1991 | 137 |
| 1992 | 123 |
| 1993 | 109 |
| 1994 | 120 |
| 1995 | 117 |
| 1996 | 115 |
| 1997 | 130 |
| 1998 | 157 |
| 1999 | 149 |
| 2000 | 169 |
| 2001 | 221 |
| 2002 | 275 |
| 2003 | 405 |
| 2004 | 511 |
| 2005 | 572 |
| 2006 | 637 |
| 2007 | 729 |
| 2008 | 695 |
| 2009 | 826 |
| 2010 | 895 |
| 2011 | 1021 |
| 2012 | 1085 |
| 2013 | 1215 |
| 2014 | 1255 |
| 2015 | 1187 |
| 2016 | 1181 |
| 2017 | 1226 |
| 2018 | 1480 |
| 2019 | 1730 |
| 2020 | 1530 |
| 2021 | 1250 |
| 2022 | 295 |
| 2023 | 134 |
| 2024 | 62 |