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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 2 |
| 1951 | 3 |
| 1952 | 1 |
| 1954 | 6 |
| 1955 | 1 |
| 1956 | 5 |
| 1957 | 2 |
| 1959 | 2 |
| 1962 | 4 |
| 1963 | 7 |
| 1964 | 6 |
| 1965 | 11 |
| 1966 | 5 |
| 1967 | 6 |
| 1968 | 1 |
| 1969 | 7 |
| 1970 | 4 |
| 1971 | 5 |
| 1972 | 3 |
| 1973 | 5 |
| 1974 | 6 |
| 1975 | 6 |
| 1976 | 9 |
| 1977 | 8 |
| 1978 | 6 |
| 1979 | 8 |
| 1980 | 14 |
| 1981 | 19 |
| 1982 | 19 |
| 1983 | 36 |
| 1984 | 26 |
| 1985 | 47 |
| 1986 | 48 |
| 1987 | 58 |
| 1988 | 51 |
| 1989 | 62 |
| 1990 | 70 |
| 1991 | 59 |
| 1992 | 80 |
| 1993 | 66 |
| 1994 | 66 |
| 1995 | 69 |
| 1996 | 90 |
| 1997 | 90 |
| 1998 | 90 |
| 1999 | 88 |
| 2000 | 105 |
| 2001 | 134 |
| 2002 | 119 |
| 2003 | 139 |
| 2004 | 139 |
| 2005 | 161 |
| 2006 | 156 |
| 2007 | 123 |
| 2008 | 158 |
| 2009 | 142 |
| 2010 | 161 |
| 2011 | 185 |
| 2012 | 210 |
| 2013 | 209 |
| 2014 | 222 |
| 2015 | 232 |
| 2016 | 223 |
| 2017 | 214 |
| 2018 | 265 |
| 2019 | 266 |
| 2020 | 308 |
| 2021 | 303 |
| 2022 | 274 |
| 2023 | 223 |
| 2024 | 224 |
| 2025 | 8 |