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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 5 |
| 1947 | 1 |
| 1948 | 9 |
| 1949 | 1 |
| 1953 | 1 |
| 1954 | 4 |
| 1955 | 11 |
| 1956 | 13 |
| 1957 | 15 |
| 1958 | 11 |
| 1959 | 16 |
| 1960 | 24 |
| 1961 | 17 |
| 1962 | 13 |
| 1964 | 1 |
| 1965 | 18 |
| 1966 | 35 |
| 1967 | 80 |
| 1968 | 88 |
| 1969 | 89 |
| 1970 | 93 |
| 1971 | 67 |
| 1972 | 106 |
| 1973 | 79 |
| 1974 | 104 |
| 1975 | 74 |
| 1976 | 58 |
| 1977 | 70 |
| 1978 | 74 |
| 1979 | 86 |
| 1980 | 74 |
| 1981 | 77 |
| 1982 | 88 |
| 1983 | 78 |
| 1984 | 78 |
| 1985 | 106 |
| 1986 | 107 |
| 1987 | 96 |
| 1988 | 98 |
| 1989 | 110 |
| 1990 | 128 |
| 1991 | 138 |
| 1992 | 126 |
| 1993 | 144 |
| 1994 | 160 |
| 1995 | 157 |
| 1996 | 185 |
| 1997 | 162 |
| 1998 | 188 |
| 1999 | 160 |
| 2000 | 216 |
| 2001 | 187 |
| 2002 | 207 |
| 2003 | 184 |
| 2004 | 201 |
| 2005 | 217 |
| 2006 | 215 |
| 2007 | 255 |
| 2008 | 261 |
| 2009 | 284 |
| 2010 | 272 |
| 2011 | 255 |
| 2012 | 317 |
| 2013 | 325 |
| 2014 | 352 |
| 2015 | 395 |
| 2016 | 401 |
| 2017 | 347 |
| 2018 | 372 |
| 2019 | 406 |
| 2020 | 406 |
| 2021 | 326 |
| 2022 | 267 |
| 2023 | 221 |
| 2024 | 411 |
| 2025 | 321 |