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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1960 | 1 |
| 1965 | 3 |
| 1966 | 2 |
| 1967 | 2 |
| 1968 | 1 |
| 1969 | 2 |
| 1971 | 2 |
| 1972 | 4 |
| 1973 | 17 |
| 1974 | 160 |
| 1975 | 346 |
| 1976 | 362 |
| 1977 | 449 |
| 1978 | 390 |
| 1979 | 466 |
| 1980 | 480 |
| 1981 | 487 |
| 1982 | 466 |
| 1983 | 528 |
| 1984 | 500 |
| 1985 | 523 |
| 1986 | 480 |
| 1987 | 538 |
| 1988 | 666 |
| 1989 | 659 |
| 1990 | 792 |
| 1991 | 758 |
| 1992 | 706 |
| 1993 | 792 |
| 1994 | 778 |
| 1995 | 737 |
| 1996 | 862 |
| 1997 | 970 |
| 1998 | 1000 |
| 1999 | 1048 |
| 2000 | 1234 |
| 2001 | 1314 |
| 2002 | 1347 |
| 2003 | 1636 |
| 2004 | 1786 |
| 2005 | 1946 |
| 2006 | 1959 |
| 2007 | 2167 |
| 2008 | 2200 |
| 2009 | 2279 |
| 2010 | 2501 |
| 2011 | 2690 |
| 2012 | 2954 |
| 2013 | 2937 |
| 2014 | 3203 |
| 2015 | 3226 |
| 2016 | 3127 |
| 2017 | 3002 |
| 2018 | 3247 |
| 2019 | 3388 |
| 2020 | 3301 |
| 2021 | 2520 |
| 2022 | 1927 |
| 2023 | 1669 |
| 2024 | 3195 |
| 2025 | 1765 |