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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 1 |
| 1951 | 1 |
| 1952 | 2 |
| 1953 | 12 |
| 1954 | 8 |
| 1955 | 5 |
| 1956 | 3 |
| 1957 | 5 |
| 1958 | 2 |
| 1959 | 12 |
| 1960 | 5 |
| 1961 | 13 |
| 1962 | 22 |
| 1963 | 21 |
| 1964 | 23 |
| 1965 | 33 |
| 1966 | 33 |
| 1967 | 41 |
| 1968 | 50 |
| 1969 | 76 |
| 1970 | 63 |
| 1971 | 53 |
| 1972 | 54 |
| 1973 | 57 |
| 1974 | 57 |
| 1975 | 67 |
| 1976 | 65 |
| 1977 | 84 |
| 1978 | 93 |
| 1979 | 88 |
| 1980 | 112 |
| 1981 | 106 |
| 1982 | 128 |
| 1983 | 152 |
| 1984 | 158 |
| 1985 | 179 |
| 1986 | 189 |
| 1987 | 197 |
| 1988 | 215 |
| 1989 | 231 |
| 1990 | 210 |
| 1991 | 242 |
| 1992 | 267 |
| 1993 | 250 |
| 1994 | 294 |
| 1995 | 283 |
| 1996 | 324 |
| 1997 | 321 |
| 1998 | 330 |
| 1999 | 337 |
| 2000 | 392 |
| 2001 | 353 |
| 2002 | 380 |
| 2003 | 401 |
| 2004 | 396 |
| 2005 | 446 |
| 2006 | 478 |
| 2007 | 495 |
| 2008 | 524 |
| 2009 | 599 |
| 2010 | 646 |
| 2011 | 718 |
| 2012 | 721 |
| 2013 | 792 |
| 2014 | 855 |
| 2015 | 809 |
| 2016 | 856 |
| 2017 | 966 |
| 2018 | 1005 |
| 2019 | 1057 |
| 2020 | 1166 |
| 2021 | 1327 |
| 2022 | 1196 |
| 2023 | 1081 |
| 2024 | 522 |
| 2025 | 1 |