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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1964 | 1 |
| 1965 | 17 |
| 1966 | 56 |
| 1967 | 89 |
| 1968 | 61 |
| 1969 | 102 |
| 1970 | 105 |
| 1971 | 164 |
| 1972 | 220 |
| 1973 | 230 |
| 1974 | 317 |
| 1975 | 244 |
| 1976 | 273 |
| 1977 | 229 |
| 1978 | 225 |
| 1979 | 260 |
| 1980 | 282 |
| 1981 | 256 |
| 1982 | 305 |
| 1983 | 295 |
| 1984 | 362 |
| 1985 | 357 |
| 1986 | 332 |
| 1987 | 332 |
| 1988 | 378 |
| 1989 | 426 |
| 1990 | 413 |
| 1991 | 398 |
| 1992 | 449 |
| 1993 | 456 |
| 1994 | 597 |
| 1995 | 729 |
| 1996 | 853 |
| 1997 | 911 |
| 1998 | 1014 |
| 1999 | 930 |
| 2000 | 1069 |
| 2001 | 1029 |
| 2002 | 979 |
| 2003 | 1009 |
| 2004 | 1057 |
| 2005 | 1104 |
| 2006 | 1146 |
| 2007 | 1104 |
| 2008 | 1150 |
| 2009 | 1134 |
| 2010 | 1172 |
| 2011 | 1163 |
| 2012 | 1223 |
| 2013 | 1141 |
| 2014 | 1019 |
| 2015 | 978 |
| 2016 | 949 |
| 2017 | 948 |
| 2018 | 839 |
| 2019 | 880 |
| 2020 | 786 |
| 2021 | 667 |
| 2022 | 564 |
| 2023 | 486 |
| 2024 | 224 |