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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1964 | 1 |
| 1966 | 10 |
| 1967 | 14 |
| 1968 | 20 |
| 1969 | 10 |
| 1970 | 24 |
| 1971 | 24 |
| 1972 | 15 |
| 1973 | 18 |
| 1974 | 24 |
| 1975 | 38 |
| 1976 | 43 |
| 1977 | 41 |
| 1978 | 53 |
| 1979 | 50 |
| 1980 | 83 |
| 1981 | 53 |
| 1982 | 75 |
| 1983 | 82 |
| 1984 | 100 |
| 1985 | 133 |
| 1986 | 154 |
| 1987 | 157 |
| 1988 | 188 |
| 1989 | 192 |
| 1990 | 238 |
| 1991 | 239 |
| 1992 | 257 |
| 1993 | 240 |
| 1994 | 289 |
| 1995 | 307 |
| 1996 | 312 |
| 1997 | 314 |
| 1998 | 281 |
| 1999 | 319 |
| 2000 | 367 |
| 2001 | 376 |
| 2002 | 437 |
| 2003 | 396 |
| 2004 | 378 |
| 2005 | 450 |
| 2006 | 485 |
| 2007 | 584 |
| 2008 | 695 |
| 2009 | 802 |
| 2010 | 869 |
| 2011 | 912 |
| 2012 | 997 |
| 2013 | 1080 |
| 2014 | 1198 |
| 2015 | 1310 |
| 2016 | 1579 |
| 2017 | 1799 |
| 2018 | 1929 |
| 2019 | 2229 |
| 2020 | 2505 |
| 2021 | 2604 |
| 2022 | 2953 |
| 2023 | 2571 |
| 2024 | 1120 |