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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1946 | 3 |
| 1948 | 1 |
| 1953 | 3 |
| 1954 | 3 |
| 1955 | 3 |
| 1956 | 6 |
| 1957 | 4 |
| 1958 | 7 |
| 1959 | 7 |
| 1960 | 23 |
| 1961 | 24 |
| 1962 | 28 |
| 1966 | 1 |
| 1967 | 4 |
| 1968 | 7 |
| 1969 | 5 |
| 1970 | 7 |
| 1971 | 5 |
| 1972 | 9 |
| 1973 | 10 |
| 1974 | 28 |
| 1975 | 68 |
| 1976 | 63 |
| 1977 | 68 |
| 1978 | 64 |
| 1979 | 93 |
| 1980 | 79 |
| 1981 | 94 |
| 1982 | 125 |
| 1983 | 114 |
| 1984 | 90 |
| 1985 | 100 |
| 1986 | 102 |
| 1987 | 151 |
| 1988 | 150 |
| 1989 | 116 |
| 1990 | 134 |
| 1991 | 184 |
| 1992 | 175 |
| 1993 | 154 |
| 1994 | 194 |
| 1995 | 191 |
| 1996 | 218 |
| 1997 | 218 |
| 1998 | 210 |
| 1999 | 244 |
| 2000 | 279 |
| 2001 | 313 |
| 2002 | 384 |
| 2003 | 402 |
| 2004 | 480 |
| 2005 | 471 |
| 2006 | 463 |
| 2007 | 464 |
| 2008 | 442 |
| 2009 | 399 |
| 2010 | 479 |
| 2011 | 491 |
| 2012 | 486 |
| 2013 | 523 |
| 2014 | 484 |
| 2015 | 480 |
| 2016 | 423 |
| 2017 | 395 |
| 2018 | 376 |
| 2019 | 369 |
| 2020 | 335 |
| 2021 | 237 |
| 2022 | 178 |
| 2023 | 109 |
| 2024 | 74 |