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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 1 |
| 1967 | 2 |
| 1968 | 3 |
| 1971 | 1 |
| 1972 | 3 |
| 1973 | 3 |
| 1974 | 3 |
| 1975 | 4 |
| 1976 | 3 |
| 1977 | 2 |
| 1979 | 2 |
| 1980 | 9 |
| 1981 | 7 |
| 1982 | 12 |
| 1983 | 7 |
| 1984 | 4 |
| 1985 | 12 |
| 1986 | 18 |
| 1987 | 15 |
| 1988 | 9 |
| 1989 | 15 |
| 1990 | 10 |
| 1991 | 10 |
| 1992 | 15 |
| 1993 | 29 |
| 1994 | 32 |
| 1995 | 22 |
| 1996 | 19 |
| 1997 | 23 |
| 1998 | 29 |
| 1999 | 42 |
| 2000 | 45 |
| 2001 | 46 |
| 2002 | 57 |
| 2003 | 65 |
| 2004 | 83 |
| 2005 | 116 |
| 2006 | 106 |
| 2007 | 141 |
| 2008 | 176 |
| 2009 | 171 |
| 2010 | 183 |
| 2011 | 227 |
| 2012 | 255 |
| 2013 | 316 |
| 2014 | 344 |
| 2015 | 409 |
| 2016 | 442 |
| 2017 | 467 |
| 2018 | 513 |
| 2019 | 594 |
| 2020 | 771 |
| 2021 | 730 |
| 2022 | 814 |
| 2023 | 801 |
| 2024 | 777 |
| 2025 | 9 |