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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1956 | 2 |
| 1957 | 1 |
| 1958 | 4 |
| 1959 | 3 |
| 1960 | 2 |
| 1961 | 3 |
| 1962 | 3 |
| 1964 | 1 |
| 1965 | 4 |
| 1966 | 17 |
| 1967 | 29 |
| 1968 | 29 |
| 1969 | 43 |
| 1970 | 66 |
| 1971 | 29 |
| 1972 | 42 |
| 1973 | 35 |
| 1974 | 40 |
| 1975 | 38 |
| 1976 | 35 |
| 1977 | 33 |
| 1978 | 41 |
| 1979 | 62 |
| 1980 | 56 |
| 1981 | 51 |
| 1982 | 42 |
| 1983 | 46 |
| 1984 | 62 |
| 1985 | 65 |
| 1986 | 73 |
| 1987 | 88 |
| 1988 | 110 |
| 1989 | 88 |
| 1990 | 148 |
| 1991 | 152 |
| 1992 | 177 |
| 1993 | 176 |
| 1994 | 228 |
| 1995 | 273 |
| 1996 | 261 |
| 1997 | 257 |
| 1998 | 252 |
| 1999 | 225 |
| 2000 | 218 |
| 2001 | 276 |
| 2002 | 268 |
| 2003 | 236 |
| 2004 | 230 |
| 2005 | 273 |
| 2006 | 269 |
| 2007 | 277 |
| 2008 | 299 |
| 2009 | 293 |
| 2010 | 334 |
| 2011 | 355 |
| 2012 | 396 |
| 2013 | 474 |
| 2014 | 445 |
| 2015 | 500 |
| 2016 | 463 |
| 2017 | 461 |
| 2018 | 488 |
| 2019 | 525 |
| 2020 | 591 |
| 2021 | 646 |
| 2022 | 644 |
| 2023 | 575 |
| 2024 | 138 |