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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1954 | 5 |
| 1955 | 3 |
| 1956 | 3 |
| 1957 | 4 |
| 1958 | 4 |
| 1959 | 3 |
| 1960 | 3 |
| 1961 | 4 |
| 1962 | 1 |
| 1965 | 9 |
| 1966 | 6 |
| 1967 | 18 |
| 1968 | 20 |
| 1969 | 27 |
| 1970 | 54 |
| 1971 | 48 |
| 1972 | 56 |
| 1973 | 38 |
| 1974 | 38 |
| 1975 | 56 |
| 1976 | 30 |
| 1977 | 56 |
| 1978 | 51 |
| 1979 | 55 |
| 1980 | 46 |
| 1981 | 53 |
| 1982 | 57 |
| 1983 | 54 |
| 1984 | 45 |
| 1985 | 65 |
| 1986 | 55 |
| 1987 | 51 |
| 1988 | 66 |
| 1989 | 78 |
| 1990 | 49 |
| 1991 | 50 |
| 1992 | 44 |
| 1993 | 49 |
| 1994 | 80 |
| 1995 | 89 |
| 1996 | 83 |
| 1997 | 88 |
| 1998 | 111 |
| 1999 | 144 |
| 2000 | 118 |
| 2001 | 160 |
| 2002 | 156 |
| 2003 | 154 |
| 2004 | 169 |
| 2005 | 204 |
| 2006 | 258 |
| 2007 | 261 |
| 2008 | 261 |
| 2009 | 220 |
| 2010 | 198 |
| 2011 | 193 |
| 2012 | 186 |
| 2013 | 176 |
| 2014 | 176 |
| 2015 | 205 |
| 2016 | 254 |
| 2017 | 225 |
| 2018 | 181 |
| 2019 | 195 |
| 2020 | 243 |
| 2021 | 223 |
| 2022 | 277 |
| 2023 | 227 |
| 2024 | 79 |