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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 5 |
| 1958 | 3 |
| 1959 | 1 |
| 1961 | 3 |
| 1962 | 6 |
| 1963 | 6 |
| 1964 | 10 |
| 1966 | 1 |
| 1967 | 3 |
| 1968 | 12 |
| 1969 | 3 |
| 1970 | 11 |
| 1971 | 10 |
| 1972 | 5 |
| 1973 | 5 |
| 1974 | 5 |
| 1975 | 6 |
| 1976 | 5 |
| 1977 | 6 |
| 1978 | 12 |
| 1979 | 7 |
| 1980 | 21 |
| 1981 | 17 |
| 1982 | 30 |
| 1983 | 39 |
| 1984 | 22 |
| 1985 | 40 |
| 1986 | 44 |
| 1987 | 35 |
| 1988 | 28 |
| 1989 | 40 |
| 1990 | 30 |
| 1991 | 52 |
| 1992 | 33 |
| 1993 | 63 |
| 1994 | 51 |
| 1995 | 53 |
| 1996 | 55 |
| 1997 | 57 |
| 1998 | 75 |
| 1999 | 65 |
| 2000 | 82 |
| 2001 | 91 |
| 2002 | 96 |
| 2003 | 67 |
| 2004 | 94 |
| 2005 | 95 |
| 2006 | 91 |
| 2007 | 115 |
| 2008 | 110 |
| 2009 | 99 |
| 2010 | 94 |
| 2011 | 125 |
| 2012 | 144 |
| 2013 | 150 |
| 2014 | 188 |
| 2015 | 205 |
| 2016 | 208 |
| 2017 | 210 |
| 2018 | 194 |
| 2019 | 149 |
| 2020 | 179 |
| 2021 | 209 |
| 2022 | 205 |
| 2023 | 179 |
| 2024 | 152 |
| 2025 | 2 |