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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 3 |
| 1955 | 2 |
| 1959 | 2 |
| 1960 | 5 |
| 1962 | 4 |
| 1963 | 5 |
| 1964 | 3 |
| 1965 | 7 |
| 1966 | 4 |
| 1967 | 5 |
| 1968 | 4 |
| 1969 | 6 |
| 1970 | 4 |
| 1971 | 7 |
| 1972 | 5 |
| 1973 | 5 |
| 1974 | 5 |
| 1975 | 5 |
| 1976 | 12 |
| 1977 | 13 |
| 1978 | 11 |
| 1979 | 18 |
| 1980 | 26 |
| 1981 | 21 |
| 1982 | 22 |
| 1983 | 46 |
| 1984 | 54 |
| 1985 | 43 |
| 1986 | 63 |
| 1987 | 55 |
| 1988 | 83 |
| 1989 | 73 |
| 1990 | 100 |
| 1991 | 82 |
| 1992 | 109 |
| 1993 | 110 |
| 1994 | 129 |
| 1995 | 151 |
| 1996 | 175 |
| 1997 | 184 |
| 1998 | 199 |
| 1999 | 242 |
| 2000 | 253 |
| 2001 | 273 |
| 2002 | 353 |
| 2003 | 427 |
| 2004 | 501 |
| 2005 | 674 |
| 2006 | 716 |
| 2007 | 850 |
| 2008 | 1019 |
| 2009 | 1232 |
| 2010 | 1395 |
| 2011 | 1716 |
| 2012 | 1936 |
| 2013 | 2243 |
| 2014 | 2497 |
| 2015 | 2905 |
| 2016 | 3140 |
| 2017 | 3410 |
| 2018 | 3906 |
| 2019 | 4538 |
| 2020 | 5407 |
| 2021 | 6104 |
| 2022 | 7156 |
| 2023 | 6955 |
| 2024 | 5397 |
| 2025 | 4 |