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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1960 | 8 |
| 1961 | 19 |
| 1962 | 11 |
| 1966 | 1 |
| 1967 | 5 |
| 1968 | 5 |
| 1969 | 1 |
| 1970 | 8 |
| 1971 | 2 |
| 1972 | 3 |
| 1973 | 1 |
| 1976 | 2 |
| 1977 | 6 |
| 1978 | 6 |
| 1979 | 7 |
| 1980 | 7 |
| 1981 | 5 |
| 1982 | 6 |
| 1983 | 5 |
| 1984 | 7 |
| 1985 | 5 |
| 1986 | 9 |
| 1987 | 5 |
| 1988 | 15 |
| 1989 | 24 |
| 1990 | 41 |
| 1991 | 50 |
| 1992 | 68 |
| 1993 | 70 |
| 1994 | 76 |
| 1995 | 87 |
| 1996 | 94 |
| 1997 | 111 |
| 1998 | 109 |
| 1999 | 121 |
| 2000 | 130 |
| 2001 | 114 |
| 2002 | 161 |
| 2003 | 184 |
| 2004 | 197 |
| 2005 | 202 |
| 2006 | 223 |
| 2007 | 197 |
| 2008 | 225 |
| 2009 | 246 |
| 2010 | 275 |
| 2011 | 290 |
| 2012 | 351 |
| 2013 | 353 |
| 2014 | 363 |
| 2015 | 336 |
| 2016 | 302 |
| 2017 | 289 |
| 2018 | 330 |
| 2019 | 396 |
| 2020 | 430 |
| 2021 | 299 |
| 2022 | 47 |
| 2023 | 10 |
| 2024 | 206 |
| 2025 | 237 |
| 2026 | 8 |