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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1953 | 9 |
| 1954 | 22 |
| 1955 | 32 |
| 1956 | 18 |
| 1957 | 29 |
| 1958 | 18 |
| 1959 | 4 |
| 1961 | 9 |
| 1962 | 5 |
| 1966 | 2 |
| 1967 | 1 |
| 1971 | 2 |
| 1974 | 3 |
| 1976 | 2 |
| 1977 | 44 |
| 1978 | 196 |
| 1979 | 177 |
| 1980 | 175 |
| 1981 | 120 |
| 1982 | 194 |
| 1983 | 183 |
| 1984 | 180 |
| 1985 | 187 |
| 1986 | 159 |
| 1987 | 163 |
| 1988 | 143 |
| 1989 | 205 |
| 1990 | 265 |
| 1991 | 284 |
| 1992 | 266 |
| 1993 | 312 |
| 1994 | 352 |
| 1995 | 309 |
| 1996 | 304 |
| 1997 | 348 |
| 1998 | 379 |
| 1999 | 352 |
| 2000 | 415 |
| 2001 | 421 |
| 2002 | 447 |
| 2003 | 503 |
| 2004 | 585 |
| 2005 | 732 |
| 2006 | 904 |
| 2007 | 1031 |
| 2008 | 1076 |
| 2009 | 1240 |
| 2010 | 1342 |
| 2011 | 1700 |
| 2012 | 1864 |
| 2013 | 2062 |
| 2014 | 2146 |
| 2015 | 2341 |
| 2016 | 2335 |
| 2017 | 2449 |
| 2018 | 2461 |
| 2019 | 2507 |
| 2020 | 2447 |
| 2021 | 1629 |
| 2022 | 2009 |
| 2023 | 1717 |
| 2024 | 1165 |