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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1951 | 1 |
| 1952 | 8 |
| 1953 | 7 |
| 1954 | 17 |
| 1955 | 37 |
| 1956 | 30 |
| 1957 | 26 |
| 1958 | 24 |
| 1959 | 29 |
| 1960 | 17 |
| 1961 | 9 |
| 1962 | 9 |
| 1964 | 2 |
| 1965 | 33 |
| 1966 | 93 |
| 1967 | 166 |
| 1968 | 228 |
| 1969 | 257 |
| 1970 | 269 |
| 1971 | 296 |
| 1972 | 291 |
| 1973 | 345 |
| 1974 | 317 |
| 1975 | 299 |
| 1976 | 305 |
| 1977 | 280 |
| 1978 | 260 |
| 1979 | 308 |
| 1980 | 269 |
| 1981 | 260 |
| 1982 | 267 |
| 1983 | 285 |
| 1984 | 301 |
| 1985 | 296 |
| 1986 | 287 |
| 1987 | 247 |
| 1988 | 259 |
| 1989 | 284 |
| 1990 | 345 |
| 1991 | 346 |
| 1992 | 320 |
| 1993 | 385 |
| 1994 | 329 |
| 1995 | 309 |
| 1996 | 387 |
| 1997 | 420 |
| 1998 | 420 |
| 1999 | 431 |
| 2000 | 539 |
| 2001 | 561 |
| 2002 | 577 |
| 2003 | 647 |
| 2004 | 599 |
| 2005 | 632 |
| 2006 | 785 |
| 2007 | 812 |
| 2008 | 919 |
| 2009 | 990 |
| 2010 | 959 |
| 2011 | 1060 |
| 2012 | 1248 |
| 2013 | 1533 |
| 2014 | 1486 |
| 2015 | 1505 |
| 2016 | 1411 |
| 2017 | 1418 |
| 2018 | 1412 |
| 2019 | 1322 |
| 2020 | 1363 |
| 2021 | 1545 |
| 2022 | 2033 |
| 2023 | 1851 |
| 2024 | 517 |