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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1964 | 2 |
| 1965 | 2 |
| 1966 | 34 |
| 1967 | 80 |
| 1968 | 96 |
| 1969 | 116 |
| 1970 | 101 |
| 1971 | 126 |
| 1972 | 134 |
| 1973 | 153 |
| 1974 | 137 |
| 1975 | 126 |
| 1976 | 208 |
| 1977 | 152 |
| 1978 | 214 |
| 1979 | 229 |
| 1980 | 238 |
| 1981 | 234 |
| 1982 | 280 |
| 1983 | 244 |
| 1984 | 320 |
| 1985 | 363 |
| 1986 | 326 |
| 1987 | 329 |
| 1988 | 423 |
| 1989 | 463 |
| 1990 | 455 |
| 1991 | 594 |
| 1992 | 744 |
| 1993 | 878 |
| 1994 | 1046 |
| 1995 | 1214 |
| 1996 | 1258 |
| 1997 | 1443 |
| 1998 | 1647 |
| 1999 | 1892 |
| 2000 | 2401 |
| 2001 | 2548 |
| 2002 | 2702 |
| 2003 | 3022 |
| 2004 | 3253 |
| 2005 | 3945 |
| 2006 | 4511 |
| 2007 | 4973 |
| 2008 | 5500 |
| 2009 | 5892 |
| 2010 | 6402 |
| 2011 | 6773 |
| 2012 | 7134 |
| 2013 | 7409 |
| 2014 | 7472 |
| 2015 | 7357 |
| 2016 | 6752 |
| 2017 | 6430 |
| 2018 | 6136 |
| 2019 | 5893 |
| 2020 | 5326 |
| 2021 | 4068 |
| 2022 | 896 |
| 2023 | 206 |
| 2024 | 245 |