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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 1 |
| 1961 | 1 |
| 1964 | 2 |
| 1965 | 4 |
| 1966 | 1 |
| 1967 | 10 |
| 1968 | 8 |
| 1969 | 5 |
| 1970 | 3 |
| 1971 | 6 |
| 1972 | 5 |
| 1973 | 11 |
| 1974 | 9 |
| 1975 | 14 |
| 1976 | 21 |
| 1977 | 22 |
| 1978 | 23 |
| 1979 | 24 |
| 1980 | 21 |
| 1981 | 26 |
| 1982 | 24 |
| 1983 | 22 |
| 1984 | 45 |
| 1985 | 48 |
| 1986 | 68 |
| 1987 | 88 |
| 1988 | 64 |
| 1989 | 60 |
| 1990 | 62 |
| 1991 | 65 |
| 1992 | 77 |
| 1993 | 103 |
| 1994 | 118 |
| 1995 | 114 |
| 1996 | 109 |
| 1997 | 110 |
| 1998 | 119 |
| 1999 | 144 |
| 2000 | 158 |
| 2001 | 141 |
| 2002 | 175 |
| 2003 | 175 |
| 2004 | 206 |
| 2005 | 217 |
| 2006 | 261 |
| 2007 | 269 |
| 2008 | 285 |
| 2009 | 335 |
| 2010 | 432 |
| 2011 | 439 |
| 2012 | 482 |
| 2013 | 519 |
| 2014 | 564 |
| 2015 | 677 |
| 2016 | 699 |
| 2017 | 725 |
| 2018 | 786 |
| 2019 | 813 |
| 2020 | 1048 |
| 2021 | 1213 |
| 2022 | 1302 |
| 2023 | 1161 |
| 2024 | 408 |