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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1956 | 1 |
| 1958 | 3 |
| 1960 | 1 |
| 1961 | 5 |
| 1962 | 1 |
| 1963 | 11 |
| 1964 | 11 |
| 1965 | 11 |
| 1967 | 1 |
| 1968 | 2 |
| 1970 | 1 |
| 1971 | 5 |
| 1972 | 2 |
| 1973 | 1 |
| 1974 | 11 |
| 1975 | 146 |
| 1976 | 218 |
| 1977 | 197 |
| 1978 | 302 |
| 1979 | 335 |
| 1980 | 376 |
| 1981 | 369 |
| 1982 | 434 |
| 1983 | 479 |
| 1984 | 517 |
| 1985 | 656 |
| 1986 | 612 |
| 1987 | 696 |
| 1988 | 780 |
| 1989 | 822 |
| 1990 | 1000 |
| 1991 | 983 |
| 1992 | 1000 |
| 1993 | 1055 |
| 1994 | 1176 |
| 1995 | 1150 |
| 1996 | 1238 |
| 1997 | 1295 |
| 1998 | 1403 |
| 1999 | 1449 |
| 2000 | 1402 |
| 2001 | 1266 |
| 2002 | 1285 |
| 2003 | 1569 |
| 2004 | 1706 |
| 2005 | 1784 |
| 2006 | 1861 |
| 2007 | 1918 |
| 2008 | 2135 |
| 2009 | 2184 |
| 2010 | 2397 |
| 2011 | 2430 |
| 2012 | 2347 |
| 2013 | 2306 |
| 2014 | 2460 |
| 2015 | 2706 |
| 2016 | 2804 |
| 2017 | 2798 |
| 2018 | 2871 |
| 2019 | 2781 |
| 2020 | 3498 |
| 2021 | 3165 |
| 2022 | 2500 |
| 2023 | 2355 |
| 2024 | 2033 |
| 2025 | 1015 |
| 2026 | 1 |