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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 1 |
| 1951 | 2 |
| 1952 | 6 |
| 1953 | 3 |
| 1954 | 6 |
| 1955 | 11 |
| 1956 | 15 |
| 1957 | 13 |
| 1958 | 3 |
| 1959 | 4 |
| 1960 | 4 |
| 1961 | 11 |
| 1962 | 14 |
| 1963 | 19 |
| 1964 | 19 |
| 1965 | 19 |
| 1966 | 24 |
| 1967 | 39 |
| 1968 | 39 |
| 1969 | 43 |
| 1970 | 45 |
| 1971 | 43 |
| 1972 | 44 |
| 1973 | 47 |
| 1974 | 44 |
| 1975 | 57 |
| 1976 | 50 |
| 1977 | 43 |
| 1978 | 48 |
| 1979 | 51 |
| 1980 | 52 |
| 1981 | 66 |
| 1982 | 86 |
| 1983 | 92 |
| 1984 | 91 |
| 1985 | 98 |
| 1986 | 100 |
| 1987 | 123 |
| 1988 | 128 |
| 1989 | 144 |
| 1990 | 122 |
| 1991 | 129 |
| 1992 | 123 |
| 1993 | 138 |
| 1994 | 185 |
| 1995 | 159 |
| 1996 | 177 |
| 1997 | 191 |
| 1998 | 189 |
| 1999 | 220 |
| 2000 | 194 |
| 2001 | 221 |
| 2002 | 205 |
| 2003 | 257 |
| 2004 | 252 |
| 2005 | 296 |
| 2006 | 323 |
| 2007 | 303 |
| 2008 | 313 |
| 2009 | 336 |
| 2010 | 332 |
| 2011 | 376 |
| 2012 | 375 |
| 2013 | 384 |
| 2014 | 334 |
| 2015 | 364 |
| 2016 | 321 |
| 2017 | 369 |
| 2018 | 365 |
| 2019 | 375 |
| 2020 | 473 |
| 2021 | 501 |
| 2022 | 509 |
| 2023 | 431 |
| 2024 | 457 |
| 2025 | 147 |