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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 5 |
| 1953 | 4 |
| 1954 | 6 |
| 1955 | 5 |
| 1956 | 7 |
| 1957 | 8 |
| 1958 | 7 |
| 1959 | 9 |
| 1960 | 11 |
| 1961 | 12 |
| 1962 | 6 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 11 |
| 1966 | 46 |
| 1967 | 50 |
| 1968 | 59 |
| 1969 | 75 |
| 1970 | 82 |
| 1971 | 88 |
| 1972 | 89 |
| 1973 | 79 |
| 1974 | 81 |
| 1975 | 74 |
| 1976 | 75 |
| 1977 | 50 |
| 1978 | 58 |
| 1979 | 51 |
| 1980 | 58 |
| 1981 | 57 |
| 1982 | 42 |
| 1983 | 52 |
| 1984 | 68 |
| 1985 | 60 |
| 1986 | 69 |
| 1987 | 62 |
| 1988 | 73 |
| 1989 | 94 |
| 1990 | 85 |
| 1991 | 95 |
| 1992 | 99 |
| 1993 | 117 |
| 1994 | 99 |
| 1995 | 109 |
| 1996 | 104 |
| 1997 | 123 |
| 1998 | 150 |
| 1999 | 113 |
| 2000 | 152 |
| 2001 | 161 |
| 2002 | 165 |
| 2003 | 196 |
| 2004 | 181 |
| 2005 | 203 |
| 2006 | 214 |
| 2007 | 226 |
| 2008 | 224 |
| 2009 | 253 |
| 2010 | 295 |
| 2011 | 313 |
| 2012 | 391 |
| 2013 | 359 |
| 2014 | 360 |
| 2015 | 332 |
| 2016 | 314 |
| 2017 | 269 |
| 2018 | 275 |
| 2019 | 254 |
| 2020 | 232 |
| 2021 | 155 |
| 2022 | 122 |
| 2023 | 121 |
| 2024 | 117 |
| 2025 | 3 |