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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 3 |
| 1947 | 1 |
| 1948 | 8 |
| 1949 | 3 |
| 1950 | 4 |
| 1951 | 4 |
| 1952 | 7 |
| 1953 | 12 |
| 1954 | 6 |
| 1955 | 9 |
| 1956 | 13 |
| 1957 | 18 |
| 1958 | 7 |
| 1959 | 12 |
| 1960 | 13 |
| 1961 | 27 |
| 1962 | 36 |
| 1963 | 80 |
| 1964 | 93 |
| 1965 | 123 |
| 1966 | 104 |
| 1967 | 129 |
| 1968 | 181 |
| 1969 | 165 |
| 1970 | 196 |
| 1971 | 194 |
| 1972 | 194 |
| 1973 | 177 |
| 1974 | 158 |
| 1975 | 188 |
| 1976 | 199 |
| 1977 | 148 |
| 1978 | 150 |
| 1979 | 140 |
| 1980 | 165 |
| 1981 | 155 |
| 1982 | 199 |
| 1983 | 239 |
| 1984 | 231 |
| 1985 | 225 |
| 1986 | 244 |
| 1987 | 230 |
| 1988 | 227 |
| 1989 | 228 |
| 1990 | 235 |
| 1991 | 272 |
| 1992 | 249 |
| 1993 | 241 |
| 1994 | 235 |
| 1995 | 336 |
| 1996 | 326 |
| 1997 | 347 |
| 1998 | 386 |
| 1999 | 399 |
| 2000 | 389 |
| 2001 | 438 |
| 2002 | 414 |
| 2003 | 431 |
| 2004 | 466 |
| 2005 | 499 |
| 2006 | 530 |
| 2007 | 488 |
| 2008 | 466 |
| 2009 | 450 |
| 2010 | 445 |
| 2011 | 472 |
| 2012 | 418 |
| 2013 | 430 |
| 2014 | 458 |
| 2015 | 480 |
| 2016 | 485 |
| 2017 | 465 |
| 2018 | 494 |
| 2019 | 458 |
| 2020 | 449 |
| 2021 | 500 |
| 2022 | 488 |
| 2023 | 462 |
| 2024 | 228 |