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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1924 | 2 |
| 1949 | 1 |
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 3 |
| 1954 | 4 |
| 1956 | 1 |
| 1957 | 4 |
| 1958 | 7 |
| 1959 | 2 |
| 1960 | 9 |
| 1961 | 22 |
| 1962 | 26 |
| 1963 | 30 |
| 1964 | 30 |
| 1965 | 38 |
| 1966 | 36 |
| 1967 | 37 |
| 1968 | 37 |
| 1969 | 37 |
| 1970 | 40 |
| 1971 | 38 |
| 1972 | 47 |
| 1973 | 48 |
| 1974 | 58 |
| 1975 | 41 |
| 1976 | 41 |
| 1977 | 59 |
| 1978 | 65 |
| 1979 | 69 |
| 1980 | 71 |
| 1981 | 73 |
| 1982 | 86 |
| 1983 | 116 |
| 1984 | 152 |
| 1985 | 165 |
| 1986 | 183 |
| 1987 | 190 |
| 1988 | 217 |
| 1989 | 197 |
| 1990 | 191 |
| 1991 | 228 |
| 1992 | 274 |
| 1993 | 272 |
| 1994 | 308 |
| 1995 | 299 |
| 1996 | 296 |
| 1997 | 308 |
| 1998 | 321 |
| 1999 | 374 |
| 2000 | 418 |
| 2001 | 380 |
| 2002 | 454 |
| 2003 | 460 |
| 2004 | 423 |
| 2005 | 439 |
| 2006 | 497 |
| 2007 | 475 |
| 2008 | 494 |
| 2009 | 485 |
| 2010 | 493 |
| 2011 | 555 |
| 2012 | 565 |
| 2013 | 553 |
| 2014 | 570 |
| 2015 | 604 |
| 2016 | 639 |
| 2017 | 627 |
| 2018 | 621 |
| 2019 | 628 |
| 2020 | 694 |
| 2021 | 771 |
| 2022 | 672 |
| 2023 | 287 |