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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1938 | 1 |
| 1945 | 1 |
| 1946 | 3 |
| 1947 | 1 |
| 1948 | 4 |
| 1949 | 6 |
| 1950 | 7 |
| 1951 | 5 |
| 1952 | 12 |
| 1953 | 8 |
| 1954 | 12 |
| 1955 | 15 |
| 1956 | 16 |
| 1957 | 16 |
| 1958 | 17 |
| 1959 | 12 |
| 1960 | 28 |
| 1961 | 24 |
| 1962 | 29 |
| 1963 | 24 |
| 1964 | 18 |
| 1965 | 33 |
| 1966 | 33 |
| 1967 | 31 |
| 1968 | 34 |
| 1969 | 49 |
| 1970 | 37 |
| 1971 | 63 |
| 1972 | 43 |
| 1973 | 57 |
| 1974 | 84 |
| 1975 | 109 |
| 1976 | 110 |
| 1977 | 126 |
| 1978 | 152 |
| 1979 | 139 |
| 1980 | 136 |
| 1981 | 159 |
| 1982 | 156 |
| 1983 | 177 |
| 1984 | 172 |
| 1985 | 186 |
| 1986 | 194 |
| 1987 | 224 |
| 1988 | 226 |
| 1989 | 229 |
| 1990 | 224 |
| 1991 | 241 |
| 1992 | 251 |
| 1993 | 249 |
| 1994 | 240 |
| 1995 | 288 |
| 1996 | 294 |
| 1997 | 287 |
| 1998 | 292 |
| 1999 | 327 |
| 2000 | 326 |
| 2001 | 342 |
| 2002 | 363 |
| 2003 | 324 |
| 2004 | 365 |
| 2005 | 435 |
| 2006 | 471 |
| 2007 | 469 |
| 2008 | 477 |
| 2009 | 493 |
| 2010 | 477 |
| 2011 | 562 |
| 2012 | 566 |
| 2013 | 636 |
| 2014 | 653 |
| 2015 | 636 |
| 2016 | 657 |
| 2017 | 668 |
| 2018 | 695 |
| 2019 | 675 |
| 2020 | 740 |
| 2021 | 751 |
| 2022 | 766 |
| 2023 | 522 |