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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 3 |
| 1960 | 3 |
| 1961 | 17 |
| 1962 | 15 |
| 1964 | 3 |
| 1965 | 1 |
| 1966 | 44 |
| 1967 | 59 |
| 1968 | 63 |
| 1969 | 62 |
| 1970 | 53 |
| 1971 | 58 |
| 1972 | 75 |
| 1973 | 71 |
| 1974 | 58 |
| 1975 | 73 |
| 1976 | 75 |
| 1977 | 66 |
| 1978 | 104 |
| 1979 | 104 |
| 1980 | 126 |
| 1981 | 107 |
| 1982 | 112 |
| 1983 | 129 |
| 1984 | 134 |
| 1985 | 136 |
| 1986 | 108 |
| 1987 | 121 |
| 1988 | 141 |
| 1989 | 123 |
| 1990 | 155 |
| 1991 | 179 |
| 1992 | 195 |
| 1993 | 188 |
| 1994 | 227 |
| 1995 | 210 |
| 1996 | 203 |
| 1997 | 208 |
| 1998 | 184 |
| 1999 | 193 |
| 2000 | 225 |
| 2001 | 207 |
| 2002 | 262 |
| 2003 | 289 |
| 2004 | 268 |
| 2005 | 307 |
| 2006 | 355 |
| 2007 | 380 |
| 2008 | 411 |
| 2009 | 445 |
| 2010 | 499 |
| 2011 | 498 |
| 2012 | 511 |
| 2013 | 585 |
| 2014 | 558 |
| 2015 | 568 |
| 2016 | 749 |
| 2017 | 800 |
| 2018 | 764 |
| 2019 | 807 |
| 2020 | 1307 |
| 2021 | 2122 |
| 2022 | 2394 |
| 2023 | 1909 |
| 2024 | 509 |