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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 8 |
| 1956 | 12 |
| 1957 | 22 |
| 1958 | 33 |
| 1959 | 28 |
| 1960 | 30 |
| 1961 | 31 |
| 1962 | 21 |
| 1964 | 2 |
| 1965 | 35 |
| 1966 | 70 |
| 1967 | 109 |
| 1968 | 114 |
| 1969 | 152 |
| 1970 | 135 |
| 1971 | 199 |
| 1972 | 194 |
| 1973 | 239 |
| 1974 | 289 |
| 1975 | 312 |
| 1976 | 304 |
| 1977 | 363 |
| 1978 | 360 |
| 1979 | 375 |
| 1980 | 363 |
| 1981 | 335 |
| 1982 | 349 |
| 1983 | 381 |
| 1984 | 408 |
| 1985 | 409 |
| 1986 | 446 |
| 1987 | 421 |
| 1988 | 473 |
| 1989 | 569 |
| 1990 | 660 |
| 1991 | 688 |
| 1992 | 853 |
| 1993 | 904 |
| 1994 | 1004 |
| 1995 | 1114 |
| 1996 | 1245 |
| 1997 | 1312 |
| 1998 | 1439 |
| 1999 | 1540 |
| 2000 | 1796 |
| 2001 | 1806 |
| 2002 | 1936 |
| 2003 | 2054 |
| 2004 | 2292 |
| 2005 | 2492 |
| 2006 | 2694 |
| 2007 | 2866 |
| 2008 | 3182 |
| 2009 | 3328 |
| 2010 | 3972 |
| 2011 | 3990 |
| 2012 | 4293 |
| 2013 | 4411 |
| 2014 | 4605 |
| 2015 | 4956 |
| 2016 | 4750 |
| 2017 | 4613 |
| 2018 | 4615 |
| 2019 | 4781 |
| 2020 | 5100 |
| 2021 | 4756 |
| 2022 | 3962 |
| 2023 | 3598 |
| 2024 | 1128 |