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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1922 | 1 |
| 1949 | 3 |
| 1950 | 6 |
| 1951 | 8 |
| 1952 | 4 |
| 1953 | 5 |
| 1954 | 2 |
| 1955 | 3 |
| 1956 | 4 |
| 1957 | 1 |
| 1958 | 3 |
| 1959 | 1 |
| 1963 | 5 |
| 1964 | 5 |
| 1965 | 38 |
| 1966 | 105 |
| 1967 | 149 |
| 1968 | 110 |
| 1969 | 137 |
| 1970 | 123 |
| 1971 | 168 |
| 1972 | 149 |
| 1973 | 171 |
| 1974 | 156 |
| 1975 | 149 |
| 1976 | 173 |
| 1977 | 182 |
| 1978 | 185 |
| 1979 | 194 |
| 1980 | 200 |
| 1981 | 214 |
| 1982 | 245 |
| 1983 | 264 |
| 1984 | 280 |
| 1985 | 257 |
| 1986 | 317 |
| 1987 | 329 |
| 1988 | 322 |
| 1989 | 353 |
| 1990 | 341 |
| 1991 | 349 |
| 1992 | 356 |
| 1993 | 420 |
| 1994 | 455 |
| 1995 | 438 |
| 1996 | 464 |
| 1997 | 529 |
| 1998 | 599 |
| 1999 | 551 |
| 2000 | 653 |
| 2001 | 642 |
| 2002 | 682 |
| 2003 | 739 |
| 2004 | 672 |
| 2005 | 743 |
| 2006 | 777 |
| 2007 | 835 |
| 2008 | 958 |
| 2009 | 962 |
| 2010 | 1105 |
| 2011 | 1222 |
| 2012 | 1334 |
| 2013 | 1455 |
| 2014 | 1442 |
| 2015 | 1507 |
| 2016 | 1475 |
| 2017 | 1387 |
| 2018 | 1507 |
| 2019 | 1464 |
| 2020 | 1282 |
| 2021 | 1103 |
| 2022 | 544 |
| 2023 | 460 |
| 2024 | 169 |