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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 3 |
| 1958 | 3 |
| 1959 | 5 |
| 1960 | 5 |
| 1961 | 5 |
| 1962 | 6 |
| 1963 | 9 |
| 1964 | 12 |
| 1965 | 5 |
| 1966 | 7 |
| 1967 | 7 |
| 1968 | 8 |
| 1969 | 9 |
| 1970 | 13 |
| 1971 | 10 |
| 1972 | 8 |
| 1973 | 2 |
| 1974 | 11 |
| 1975 | 12 |
| 1976 | 11 |
| 1977 | 19 |
| 1978 | 22 |
| 1979 | 22 |
| 1980 | 31 |
| 1981 | 32 |
| 1982 | 30 |
| 1983 | 25 |
| 1984 | 43 |
| 1985 | 57 |
| 1986 | 62 |
| 1987 | 66 |
| 1988 | 64 |
| 1989 | 62 |
| 1990 | 60 |
| 1991 | 65 |
| 1992 | 75 |
| 1993 | 103 |
| 1994 | 78 |
| 1995 | 88 |
| 1996 | 114 |
| 1997 | 116 |
| 1998 | 101 |
| 1999 | 94 |
| 2000 | 109 |
| 2001 | 117 |
| 2002 | 135 |
| 2003 | 117 |
| 2004 | 142 |
| 2005 | 163 |
| 2006 | 201 |
| 2007 | 198 |
| 2008 | 202 |
| 2009 | 177 |
| 2010 | 220 |
| 2011 | 231 |
| 2012 | 240 |
| 2013 | 237 |
| 2014 | 296 |
| 2015 | 281 |
| 2016 | 305 |
| 2017 | 345 |
| 2018 | 338 |
| 2019 | 351 |
| 2020 | 401 |
| 2021 | 350 |
| 2022 | 337 |
| 2023 | 299 |
| 2024 | 118 |