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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 5 |
| 1948 | 10 |
| 1949 | 5 |
| 1950 | 3 |
| 1951 | 17 |
| 1952 | 29 |
| 1953 | 25 |
| 1954 | 48 |
| 1955 | 62 |
| 1956 | 103 |
| 1957 | 176 |
| 1958 | 168 |
| 1959 | 162 |
| 1960 | 142 |
| 1961 | 158 |
| 1962 | 115 |
| 1963 | 163 |
| 1964 | 232 |
| 1965 | 215 |
| 1966 | 238 |
| 1967 | 343 |
| 1968 | 303 |
| 1969 | 403 |
| 1970 | 316 |
| 1971 | 315 |
| 1972 | 294 |
| 1973 | 301 |
| 1974 | 303 |
| 1975 | 254 |
| 1976 | 365 |
| 1977 | 333 |
| 1978 | 292 |
| 1979 | 391 |
| 1980 | 319 |
| 1981 | 376 |
| 1982 | 330 |
| 1983 | 321 |
| 1984 | 381 |
| 1985 | 407 |
| 1986 | 438 |
| 1987 | 437 |
| 1988 | 519 |
| 1989 | 612 |
| 1990 | 621 |
| 1991 | 583 |
| 1992 | 613 |
| 1993 | 604 |
| 1994 | 607 |
| 1995 | 700 |
| 1996 | 710 |
| 1997 | 721 |
| 1998 | 779 |
| 1999 | 836 |
| 2000 | 910 |
| 2001 | 880 |
| 2002 | 884 |
| 2003 | 1052 |
| 2004 | 1052 |
| 2005 | 1172 |
| 2006 | 1181 |
| 2007 | 1377 |
| 2008 | 1400 |
| 2009 | 1474 |
| 2010 | 1623 |
| 2011 | 1702 |
| 2012 | 1784 |
| 2013 | 1823 |
| 2014 | 2012 |
| 2015 | 2119 |
| 2016 | 1900 |
| 2017 | 1768 |
| 2018 | 1917 |
| 2019 | 2107 |
| 2020 | 2236 |
| 2021 | 2204 |
| 2022 | 2105 |
| 2023 | 1789 |
| 2024 | 556 |