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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1944 | 7 |
| 1945 | 15 |
| 1946 | 17 |
| 1947 | 18 |
| 1948 | 24 |
| 1949 | 37 |
| 1950 | 38 |
| 1951 | 36 |
| 1952 | 38 |
| 1953 | 34 |
| 1954 | 42 |
| 1955 | 39 |
| 1956 | 41 |
| 1957 | 40 |
| 1958 | 41 |
| 1959 | 50 |
| 1960 | 49 |
| 1961 | 58 |
| 1962 | 55 |
| 1963 | 81 |
| 1964 | 89 |
| 1965 | 82 |
| 1966 | 65 |
| 1967 | 85 |
| 1968 | 94 |
| 1969 | 103 |
| 1970 | 140 |
| 1971 | 135 |
| 1972 | 129 |
| 1973 | 145 |
| 1974 | 175 |
| 1975 | 239 |
| 1976 | 182 |
| 1977 | 182 |
| 1978 | 185 |
| 1979 | 179 |
| 1980 | 190 |
| 1981 | 223 |
| 1982 | 268 |
| 1983 | 265 |
| 1984 | 296 |
| 1985 | 305 |
| 1986 | 311 |
| 1987 | 424 |
| 1988 | 396 |
| 1989 | 391 |
| 1990 | 316 |
| 1991 | 370 |
| 1992 | 387 |
| 1993 | 329 |
| 1994 | 456 |
| 1995 | 416 |
| 1996 | 377 |
| 1997 | 418 |
| 1998 | 497 |
| 1999 | 509 |
| 2000 | 511 |
| 2001 | 471 |
| 2002 | 474 |
| 2003 | 521 |
| 2004 | 532 |
| 2005 | 507 |
| 2006 | 524 |
| 2007 | 538 |
| 2008 | 447 |
| 2009 | 427 |
| 2010 | 553 |
| 2011 | 416 |
| 2012 | 427 |
| 2013 | 472 |
| 2014 | 487 |
| 2015 | 406 |
| 2016 | 317 |
| 2017 | 325 |
| 2018 | 364 |
| 2019 | 299 |
| 2020 | 353 |
| 2021 | 292 |
| 2022 | 265 |
| 2023 | 235 |