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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1960 | 1 |
| 1963 | 4 |
| 1968 | 2 |
| 1970 | 4 |
| 1972 | 1 |
| 1973 | 1 |
| 1976 | 1 |
| 1977 | 1 |
| 1978 | 1 |
| 1979 | 2 |
| 1980 | 3 |
| 1981 | 3 |
| 1982 | 7 |
| 1983 | 3 |
| 1984 | 9 |
| 1985 | 15 |
| 1986 | 10 |
| 1987 | 13 |
| 1988 | 16 |
| 1989 | 14 |
| 1990 | 6 |
| 1991 | 19 |
| 1992 | 16 |
| 1993 | 35 |
| 1994 | 39 |
| 1995 | 44 |
| 1996 | 59 |
| 1997 | 55 |
| 1998 | 38 |
| 1999 | 57 |
| 2000 | 76 |
| 2001 | 84 |
| 2002 | 94 |
| 2003 | 82 |
| 2004 | 124 |
| 2005 | 139 |
| 2006 | 125 |
| 2007 | 147 |
| 2008 | 188 |
| 2009 | 194 |
| 2010 | 240 |
| 2011 | 297 |
| 2012 | 307 |
| 2013 | 348 |
| 2014 | 313 |
| 2015 | 282 |
| 2016 | 292 |
| 2017 | 298 |
| 2018 | 311 |
| 2019 | 317 |
| 2020 | 414 |
| 2021 | 416 |
| 2022 | 387 |
| 2023 | 384 |
| 2024 | 354 |
| 2025 | 303 |