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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 2 |
| 1958 | 2 |
| 1959 | 1 |
| 1960 | 1 |
| 1962 | 1 |
| 1963 | 3 |
| 1964 | 4 |
| 1965 | 4 |
| 1966 | 4 |
| 1967 | 3 |
| 1968 | 7 |
| 1969 | 7 |
| 1970 | 9 |
| 1971 | 9 |
| 1972 | 1 |
| 1973 | 5 |
| 1974 | 9 |
| 1975 | 3 |
| 1976 | 11 |
| 1977 | 4 |
| 1978 | 11 |
| 1979 | 14 |
| 1980 | 17 |
| 1981 | 20 |
| 1982 | 19 |
| 1983 | 32 |
| 1984 | 24 |
| 1985 | 32 |
| 1986 | 27 |
| 1987 | 34 |
| 1988 | 56 |
| 1989 | 52 |
| 1990 | 67 |
| 1991 | 67 |
| 1992 | 77 |
| 1993 | 73 |
| 1994 | 77 |
| 1995 | 80 |
| 1996 | 67 |
| 1997 | 75 |
| 1998 | 68 |
| 1999 | 75 |
| 2000 | 74 |
| 2001 | 114 |
| 2002 | 105 |
| 2003 | 109 |
| 2004 | 117 |
| 2005 | 123 |
| 2006 | 143 |
| 2007 | 127 |
| 2008 | 151 |
| 2009 | 147 |
| 2010 | 162 |
| 2011 | 135 |
| 2012 | 173 |
| 2013 | 181 |
| 2014 | 168 |
| 2015 | 201 |
| 2016 | 180 |
| 2017 | 192 |
| 2018 | 200 |
| 2019 | 197 |
| 2020 | 232 |
| 2021 | 259 |
| 2022 | 255 |
| 2023 | 228 |
| 2024 | 205 |