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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 4 |
| 1965 | 26 |
| 1966 | 46 |
| 1967 | 56 |
| 1968 | 44 |
| 1969 | 51 |
| 1970 | 58 |
| 1971 | 45 |
| 1972 | 60 |
| 1973 | 70 |
| 1974 | 77 |
| 1975 | 85 |
| 1976 | 120 |
| 1977 | 132 |
| 1978 | 172 |
| 1979 | 146 |
| 1980 | 206 |
| 1981 | 174 |
| 1982 | 206 |
| 1983 | 190 |
| 1984 | 249 |
| 1985 | 285 |
| 1986 | 280 |
| 1987 | 259 |
| 1988 | 275 |
| 1989 | 327 |
| 1990 | 366 |
| 1991 | 314 |
| 1992 | 350 |
| 1993 | 371 |
| 1994 | 475 |
| 1995 | 467 |
| 1996 | 588 |
| 1997 | 541 |
| 1998 | 589 |
| 1999 | 608 |
| 2000 | 733 |
| 2001 | 801 |
| 2002 | 783 |
| 2003 | 917 |
| 2004 | 985 |
| 2005 | 1240 |
| 2006 | 1344 |
| 2007 | 1383 |
| 2008 | 1538 |
| 2009 | 1634 |
| 2010 | 1847 |
| 2011 | 2038 |
| 2012 | 2129 |
| 2013 | 2176 |
| 2014 | 2279 |
| 2015 | 2432 |
| 2016 | 2433 |
| 2017 | 2419 |
| 2018 | 2554 |
| 2019 | 2606 |
| 2020 | 3384 |
| 2021 | 3834 |
| 2022 | 3867 |
| 2023 | 3710 |
| 2024 | 2044 |