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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 57 |
| 1966 | 115 |
| 1967 | 73 |
| 1968 | 123 |
| 1969 | 103 |
| 1970 | 99 |
| 1971 | 109 |
| 1972 | 100 |
| 1973 | 91 |
| 1974 | 96 |
| 1975 | 113 |
| 1976 | 104 |
| 1977 | 98 |
| 1978 | 99 |
| 1979 | 133 |
| 1980 | 141 |
| 1981 | 191 |
| 1982 | 178 |
| 1983 | 205 |
| 1984 | 240 |
| 1985 | 253 |
| 1986 | 238 |
| 1987 | 321 |
| 1988 | 339 |
| 1989 | 365 |
| 1990 | 317 |
| 1991 | 388 |
| 1992 | 350 |
| 1993 | 284 |
| 1994 | 290 |
| 1995 | 493 |
| 1996 | 566 |
| 1997 | 638 |
| 1998 | 697 |
| 1999 | 749 |
| 2000 | 848 |
| 2001 | 848 |
| 2002 | 938 |
| 2003 | 1077 |
| 2004 | 1091 |
| 2005 | 1012 |
| 2006 | 1061 |
| 2007 | 969 |
| 2008 | 1137 |
| 2009 | 1244 |
| 2010 | 1256 |
| 2011 | 1218 |
| 2012 | 1357 |
| 2013 | 1367 |
| 2014 | 1426 |
| 2015 | 1333 |
| 2016 | 1203 |
| 2017 | 1087 |
| 2018 | 1085 |
| 2019 | 1024 |
| 2020 | 879 |
| 2021 | 604 |
| 2022 | 289 |
| 2023 | 210 |
| 2024 | 62 |