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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 1 |
| 1949 | 2 |
| 1952 | 19 |
| 1953 | 18 |
| 1954 | 14 |
| 1955 | 8 |
| 1956 | 4 |
| 1957 | 5 |
| 1959 | 1 |
| 1961 | 1 |
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 27 |
| 1966 | 74 |
| 1967 | 95 |
| 1968 | 130 |
| 1969 | 200 |
| 1970 | 204 |
| 1971 | 241 |
| 1972 | 275 |
| 1973 | 286 |
| 1974 | 245 |
| 1975 | 239 |
| 1976 | 278 |
| 1977 | 246 |
| 1978 | 243 |
| 1979 | 247 |
| 1980 | 202 |
| 1981 | 217 |
| 1982 | 269 |
| 1983 | 337 |
| 1984 | 325 |
| 1985 | 352 |
| 1986 | 348 |
| 1987 | 319 |
| 1988 | 396 |
| 1989 | 425 |
| 1990 | 452 |
| 1991 | 441 |
| 1992 | 451 |
| 1993 | 446 |
| 1994 | 497 |
| 1995 | 526 |
| 1996 | 569 |
| 1997 | 637 |
| 1998 | 703 |
| 1999 | 643 |
| 2000 | 791 |
| 2001 | 972 |
| 2002 | 1000 |
| 2003 | 1193 |
| 2004 | 1255 |
| 2005 | 1462 |
| 2006 | 1466 |
| 2007 | 1446 |
| 2008 | 1744 |
| 2009 | 1709 |
| 2010 | 1985 |
| 2011 | 2576 |
| 2012 | 2732 |
| 2013 | 3140 |
| 2014 | 2976 |
| 2015 | 3165 |
| 2016 | 2782 |
| 2017 | 2908 |
| 2018 | 2859 |
| 2019 | 2963 |
| 2020 | 2609 |
| 2021 | 2483 |
| 2022 | 596 |
| 2023 | 257 |
| 2024 | 122 |