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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 3 |
| 1948 | 2 |
| 1953 | 8 |
| 1954 | 23 |
| 1955 | 50 |
| 1956 | 61 |
| 1957 | 50 |
| 1958 | 42 |
| 1959 | 14 |
| 1960 | 15 |
| 1961 | 15 |
| 1962 | 13 |
| 1963 | 1 |
| 1964 | 6 |
| 1965 | 75 |
| 1966 | 185 |
| 1967 | 279 |
| 1968 | 283 |
| 1969 | 257 |
| 1970 | 277 |
| 1971 | 216 |
| 1972 | 282 |
| 1973 | 287 |
| 1974 | 344 |
| 1975 | 377 |
| 1976 | 548 |
| 1977 | 654 |
| 1978 | 597 |
| 1979 | 656 |
| 1980 | 728 |
| 1981 | 789 |
| 1982 | 964 |
| 1983 | 860 |
| 1984 | 942 |
| 1985 | 1063 |
| 1986 | 1106 |
| 1987 | 1221 |
| 1988 | 1406 |
| 1989 | 1598 |
| 1990 | 2110 |
| 1991 | 2458 |
| 1992 | 2807 |
| 1993 | 3185 |
| 1994 | 3283 |
| 1995 | 3340 |
| 1996 | 2893 |
| 1997 | 2800 |
| 1998 | 2927 |
| 1999 | 3011 |
| 2000 | 2940 |
| 2001 | 2832 |
| 2002 | 2778 |
| 2003 | 2867 |
| 2004 | 3147 |
| 2005 | 3496 |
| 2006 | 3675 |
| 2007 | 3876 |
| 2008 | 3961 |
| 2009 | 4164 |
| 2010 | 4300 |
| 2011 | 4642 |
| 2012 | 4665 |
| 2013 | 4836 |
| 2014 | 4880 |
| 2015 | 4772 |
| 2016 | 4484 |
| 2017 | 4452 |
| 2018 | 4410 |
| 2019 | 4158 |
| 2020 | 4003 |
| 2021 | 3403 |
| 2022 | 793 |
| 2023 | 384 |
| 2024 | 1153 |